Chair for Experimental Physics IV

Jürgen Köhler Group  •  Publications

• A.A. Gorshelev, A.V. Naumov, I.Y. Eremchev, Y.G. Vainer, L. Kador, J. Köhler
  Ortho-dichlorobenzene doped with terrylene - a highly photo-stable single-molecule system promising for photonics applications
  Chem.Phys.Chem., 11 (2010), 182-187 Abstract (InterScience)
• C.C. Hofmann, P. Bauer, S.A. Haque, M. Thelakkat, J. Köhler
  Energy- and charge-transfer processes in flexible organic donor- acceptor dyads
  J. Chem. Phys., 131 (2009), 144512 Abstract (AIP)
• D. Ernst, R. Hildner, C. Hippius, F. Würthner, J. Köhler
  Photoblinking Dynamics in Single Calix[4]arene-linked Perylene Bisimide Dimers
  Chem.Phys. Lett., 482 (2009), 93-98 Abstract (ScienceDirect)
• A.V. Naumov, A.A. Gorshelev, Y.G. Vainer, L. Kador, J. Köhler
  Far-Field Nano-Diagnostics of Solids with Visible Light by Spectrally Selective Imaging
  Ang. Chem. Int. Ed., 48 (2009), 9747-9750
  Ang. Chem., 121 (2009), 9930-9934 Abstract (InterScience)
• M.F. Richter, J. Baier, R.J. Cogdell, S. Oellerich, J. Köhler
  The Influence of Symmetry on the Electronic Structure of the Photosynthetic Pigment-Protein Complexes from Purple Bacteria
  in: Springer Series in Chemical Physics, Single Molecule Spectroscopy
  in: Chemistry, Physics and Biology, 96, Chap. 26 (2009), Nobel Conference
• I. Yu. Eremchev, A. V. Naumov, A.A. Gorshelev, Yu.G. Vainer, L. Kador, J. Köhler
  Do impurity chromophores affect the tunnelling dynamics of an amorphous polymer? Investigation by single-molecule spectroscopy
  Molecular Physics, 107 (2009) 18, 1943-1953
• J. Köhler, S. Oellerich
  Concise Review: Low-Temperature Single-Molecule Spectroscopy on Photosynthetic Pigment Protein Complexes from Purple Bacteria
  Photosynth.Res., 101 (2009), 171-179
• J. Baier, M. Gabrielsen, S. Oellerich, M. Michel, M. van Heel, R.J. Cogdell, J. Köhler
  Spectral Diffusion and Electron-Phonon Coupling of the B800 BChl a molecules in LH2 Complexes from three different Species of Purple Bacteria
  Biophys. J., 97 (2009), 2604-2612 Abstract (ScienceDirect)
• T. Brotosudarmo, R. Kunz, P. Böhm, A.T. Gardiner, V. Moulisova, R.J. Cogdell, J. Köhler
  Single-Molecule spectroscopy reveals that individual low-light LH2 complexes from Rhodopseudomonas palustris 2.1.6. have a heterogeneous polypeptide composition
  Biophys. J., 97 (2009), 1491-1500
• J. Köhler, R. Hildner, Laura Winterling, U. Lemmer, U. Scherf
  Single-Molecule Spectroscopy on a Ladder-Type Conjugated Polymer:
  Electron-Phonon Coupling and Spectral Diffusion
  Chem. Phys. Chem., 10 (2009), 2524-2534 pdf pdf (Wiley InterScience)
• J. Köhler, R.J. Cogdell
  Use of single-molecule spectroscopy to tackle fundamental problems in biochemistry: using studies on purple bacterial antenna complexes as an example
  Biochem. J., 422 (2009), 193-205 pdf (BiochemJ.org)
• J. Köhler
  Optical Spectroscopy of Individual Light-Harvesting Complexes from Purple Bacteria
  in: Advances in Photosynthesis and Respiration, Vol. 28, The Purple Phototrophic Bacteria (2008) 877-894, Hunter, C.Neil, Daldal, Fevzi, Thurnauer, Marion C., Beatty, J. Thomas (eds.). Springer-Verlag, Dordrecht, The Netherlands pdf (Springerlink.com)
• T. Pflock, M. Dezi, G. Venturoli, R. J. Cogdell, S. Oellerich and J. Köhler
  Comparison of the fluorescence kinetics of detergent-solubilized and membrane-reconstituted LH2 complexes from Rps. acidophila and Rb. sphaeroides
  Photosynth. Res. 95 (2008) 291-298pdf pdf (Springerlink.com)
• T. J. Aartsma and J. Köhler
  Optical Spectroscopy of Individual Light-Harvesting Complexes
  Advances in Photosynthesis and Respiration 26 (2008) 241-266pdf (Springerlink.com)
• J. Baier, M.F. Richter, R.J. Cogdell, S. Oellerich and J. Köhler
  Determination of the Spectral Diffusion Kernel of a Protein by Single Molecule Spectroscopy
  Phys. Rev. Lett. 100 (2008) 018108-1-018108-4 pdf
• B. Theissen, A. Gubaev, J. Köhler and D. Klostermeier
  Cooperative binding of ATP and RNA induces a closed conformation in a DEAD box RNA helicase
  Proc. Natl. Acad. Sci. 105 (2008) 548-553 pdf
• C. Hofmann, F. Kulzer, R. Zondervan, J. Köhler and M. Orrit
  Single biomolecules at cryogenic temperatures: From structure to dynamics
  Springer Series in Biophysics, Vol: Single Molecules and Nanotechnology,
  Eds: Rudolf Rigler and Horst Vogel, Vol. 12 (2008) 25-51 pdf (Springerlink.com)
• M.F. Richter, J. Baier, J. Southall, R.J. Cogdell, S. Oellerich and J. Köhler
  Spectral diffusion of the lowest exciton component in the core complex from Rhodopseudomonas palustris studied by single-molecule spectroscopy
  Photosynth. Res. 95 (2008) 285-290 pdf pdf (Springerlink.com)
• M.F. Richter, J. Baier, J.Southall, R.J. Cogdell, S. Oellerich and J. Köhler
  Refinement of the X-Ray Structure of the RC-LH1 Core Complex from Rhodopseudomonas palustris by Single-Molecule Spectroscopy
  Proc. Natl. Acad. Sci. 104 (2007) 20280-20284 pdf
• R. Hildner, U. Lemmer, U. Scherf and J. Köhler
  Continous-wave two-photon spectroscopy on a ladder-type conjugated polymer
  Chem. Phys. Lett. 448 (2007) 213-217 pdf
• A. Sperschneider, F. Schacher, M. Gawenda, L. Tsarkova, A.H.E. Müller, M. Ulbricht, G. Krausch, J. Köhler
  Towards Nanoporous Membranes based on ABC Triblock Terpolymers
  Small-Journal 3 (6), (2007), 1056-1063 pdf
• R. Hildner, U. Lemmer, U. Scherf, M. Van Heel, J. Köhler
  Revealing the Electron-Phonon-Coupling in a Conjugated Polymer by Single-Molecule Spectroscopy
  Adv. Mat. 19, (2007), 1978 - 1982 pdf
• E. Lang, R. Hildner, H. Engelke, P. Osswald, F. Würthner, J. Köhler
  Comparison of the Photophysical Parameters for Three Perylene- Bisimide Derivatives by Single-Molecule Spectroscopy
  Chem.Phys.Chem. 8, (2007), 1487-1496 pdf
• M. Richter, J. Baier, R.J. Cogdell, J. Köhler, S. Oellerich
  Single-molecule spectroscopy characterization of light-harvesting 2 complexes reconstituted into model membranes
  Biophys. J. 93, (2007), 183 - 191 pdf
• C. von Borczyskowski, J. Köhler, W.E. Moerner, M. Orrit, J. Wrachtrup,
  Single-Molecule Electron Spin Resonance.
  Appl. Magn. Reson. 31, (2007), 665-676
• M. Richter, J. Baier, Th. Prem, S. Oellerich, F. Francia, G. Venturoli, D. Oesterhelt, J. Southall, R.J. Cogdell, J. Köhler,
  Symmetry Matters for the electronic structure of core complexes from Rhodopseudomonas Palustris and Rhodobacter Sphaeroides PufX^-.
  Proc.Natl.Acad.Sci. 104, 16 (2007), 6661 - 6665
• Y. Berlin, A. Burin, J. Friedrich, J. Köhler,
  Low Temperature Spectroscopy of Proteins. Part II: Experiments with Single Protein Complexes.
  Physics of Life Reviews, 4, (2007), 64-89
• J. Baier, M. Richter, R.J. Cogdell, S. Oellerich, J. Köhler,
  Do Proteins at low Temperature behave as Glasses? A Single-Molecule Study.
  J. Phys. Chem. B 111, (2007), 1135-1138
• Ch. Scharf, K. Peter, P. Bauer, Ch. Jung, M. Thelakkat, J. Köhler
  Towards the Characterisation of Energy-Transfer Processes in Organic Donor-Acceptor Dyads Based on Triphenyldiamine and Perylenebisimides
  Chem. Phys. 328, (2006), 403-309Y. Berlin
• R. Hildner, U. Lemmer, U. Scherf, J. Köhler
  Picosecond Excitation Energy Relaxation Processes in a Ladder-Type p- Conjugated Polymer
  Chem. Phys. Lett. 429, (2006), 103-108
• M. Ketelaars, J.-M. Segura, S. Oellerich, W.P.F. de Ruijter, G. Magis, M. Matsushita, R.J. Cogdell, J. Köhler, J. Schmidt, T.J. Aartsma
  Probing the electronic structure and conformational flexibility of individual light-harvesting 3 complexes by optical single-molecule spectroscopy
  J. Phys. Chem. B 110, (2006), 18710-18717
• A. Burin, J. Friedrich, J. Köhler
  Spectroscopy of Proteins at Low Temperature. Part I: Experiments with molecular ensembles
  Physics of Life Reviews 3, (2006), 262-292
• R. J. Cogdell, A. Gall, J. Köhler
  The architecture and function of the light-harvesting apparatus of purple bacteria: from single molecules to in vivo membranes
  Q. Rev. Biophysics 39, 3 (2006), 227-324
• E. Lang, J. Baier, J. Köhler
  Epifluorescence-, Confocal-, and Total-Internal-Reflection Microscopy for Single-Molecule Experiments: A Quantitative Comparison
  J. of Microscopy, 222, (2006), 118-123
• J. Köhler and T.J. Aartsma
  Single Molecule Spectroscopy of Pigment Protein Complexes from Purple Bacteria
  in: Advances in Photosynthesis and Respiration, Vol. 25, Bernhard Grimm, Robert J. Porra, Wolfhart Rüdiger and Hugo Scheer (eds.), Chlorophylls and Bacteriochlorophylls: Biochemistry, Biophysics Functions and Applications, pp. 309-321. Springer-Verlag, Dordrecht, The Netherlands (2006), ISBN 1-4020-4515-8 pdf (Springerlink.com)

• E. Lang, A. Sorokin, M. Drechsler, Y.V. Malyukin, J. Köhler
  Optical Spectroscopy on Individual amphi-PIC J-Aggregates
  Nano Letters, 5, 12 (2005), 2635-2640
• C. Hofmann, H. Michel, M. van Heel, J. Köhler
  Multivariate Analysis of Single-Molecule Spectra: Surpassing Spectral Diffusion
  Phys. Rev. Lett., 94, (2005), 195501
• E. Lang, F. Würthner, J. Köhler
  Photophysical Properties of a Tetraphenoxy-substituted Perylene- Bisimide Derivative characterized by Single-Molecule Spectroscopy
  ChemPhysChem., 6, (2005), 935-941
• Clemens Hofmann, T. J. Aartsma, Jürgen Köhler
  Energetic disorder and the B850-exciton states of individual light-harvesting 2 complexes from Rhodopseudomonas acidophila
  Chem. Phys. Lett. 395 (2004), 373 378
• C. Hofmann, T. J. Aartsma, H. Michel, J. Köhler
  Spectral dynamics in the B800 band of LH2 from Rhodospirillum molischianum: a single-molecule study
  New Journal of Physics 6 (2004), 8 pdf
• C. Hofmann, T. J. Aartsma, H. Michel, J. Köhler
  Direct observation of tiers in the energy landscape of a chromoprotein: A single-molecule study
  Proceedings of the National Academy of Sciences Vol. 100 no.26 (2003),15534-15538 pdf
• C. Hofmann, F. Francio, G. Venturoli, D. Oesterhelt, J. Köhler
  Energy transfer in a single self-aggregated photosynthetic unit
  FEBS Letters 546, (2003), 345-348 pdf
• C. Hofmann, M. Ketelaars, M. Matsushita, H. Michel, T.J. Aartsma, J. Köhler
  Single molecule study of the electronic couplings in a circular array of molecules: Light Harvesting 2 complex from Rhodospirillum molischianum
  Phys. Rev. Lett. 90 (1), (2003) 1-4 pdf
• J. Wrachtrup, T.J. Aartsma, J. Köhler, M. Ketelaars, A.M. van Oijen, M. Matsushita, J. Schmidt, C. Tietz and F. Jelezko
  Spectroscopy of Individual Photosynthetic Pigment-Protein Complexes
  in: Single-Molecule Detection in Solution (eds. Zander et al.), Wiley-VCH, Weinheim (2002)
• M. Ketelaars, C. Hofmann, J. Köhler, T.D. Howard, R.J. Cogdell, J. Schmidt, T.J. Aartsma
  Spectroscopy on individual light-harvesting 1 complexes of Rhodopseudomonas acidophila
  Biophys. J., 83, (2002), 1701 pdf)
• J. Köhler
  Optical Spectroscopy of individual Light-harvesting 1 Complexes
  Single Mol. 2, (2001) 4, 285-286 pdf
• J. Köhler
  Optical spectroscopy of individual objects
  Naturwissenschaften, 88, (2001) 514 pdf pdf (Springerlink.com)
• A.M. van Oijen, M. Ketelaars, J. Köhler, T.J. Aartsma, J. Schmidt
  The Electronic Structure of Single Photosynthetic Pigment-protein Complexes
  in: Single Molecule Spectroscopy, Nobel Conference Lectures (eds. R. Rigler, M. Orrit, T. Basché), Springer-Series in Chemical Physics, Springer-Verlag (2001) pdf
• J. Köhler, A.M. van Oijen, M. Ketelaars, C. Hofmann, M. Matsushita, T.J. Aartsma and J. Schmidt
  Optical Spectroscopy of Individual Photosynthetic Pigment Proteins Complexes
  in: Proceedings of 2000 International Conference on Excitonic Processes in Condensed Matter (eds. K. Cho, A. Matsui), World Scientific Singapore, 2000, pp. 65 - 68
• J. Köhler, A.M. van Oijen, M. Ketelaars, C. Hofmann, M. Matsushita, T.J. Aartsma and J. Schmidt
  Optical Spectroscopy of Individual Photosynthetic Pigment Proteins Complexes
  Int. Journal of Modern Physics B, Vol. 15, 28, 29 & 30, (2001) 3633 pdf
• Y. Durand, A. Bloeß, J. Köhler, E.J.J. Groenen, J. Schmidt
  Spectral diffusion of individual pentacene, terrylene and dibenzanthanthrene molecules in n-tetradecane.
  J. Chem. Phys., 114, (2001), 6843 pdf
• M. Matsushita, M. Ketelaars, A.M. van Oijen, J. Köhler, T.J. Aartsma, J. Schmidt
  Spectroscopy on the B850 band of Individual Light-Harvesting 2 Complexes of Rhodopseudomonas acidophila , II: Exciton States of an Elliptically Deformed Ring Aggregate.
  Biophys. J., 80, (2001), 1604 pdf
• M. Ketelaars, A.M. van Oijen, M. Matsushita, J. Köhler, J. Schmidt, T.J. Aartsma
  Spectroscopy on the B850 band of Individual Light-Harvesting 2 Complexes of Rhodopseudomonas acidophila , I: Experiments and Monte-Carlo Simulations.
  Biophys. J., 80, (2001), 1591 pdf

• Y. Durand, A. Bloeß, A.M. van Oijen, J. Köhler, E.J.J. Groenen and J. Schmidt
  An Optical Study of Single-Pentacene Molecules in n-tetradecane
  Chem. Phys. Lett., 317, (2000), 232 pdf
• J. Köhler
  Photosynthese und Exzitonen
  Phys. Bl. 56, (2000), 47.
• A.M. van Oijen, M. Ketelaars, J. Köhler, T.J. Aartsma and J. Schmidt,
  Spectroscopy of Individual LH2 complexes of Rhodopseudomonas acidophila: Diagonal disorder, sample heterogeneity, spectral diffusion, and energy transfer in the B800 band.
  Biophys. J., 78, (2000), 1570 pdf
• A.M. van Oijen, M. Ketelaars, J. Köhler, T.J. Aartsma and J. Schmidt,
  Unraveling the Electronic Structure of Individual Photosynthetic Pigment-Protein Complexes.
  Science, 285, (1999), 400 pdf
  (for comment see: M. Orrit,
  Coherent Excitation in the Antenna Complex
  , Science, 285 (1999) 629)
• A.M. van Oijen, M. Ketelaars, J. Köhler, T.J. Aartsma and J. Schmidt,
  Spectroscopy of Individual LH2 complexes of Rhodopseudomonas acidophila: Localized excitations in the B800 band.
  Chem. Phys., 247, (1999), 53 pdf
• A.C.J. Brouwer, J. Köhler, A.M. van Oijen, E.J.J. Groenen and J. Schmidt
  Single-molecule fluorescence autocorrelation experiments on pentacene. The dependence of intersystem crossing on isotopic composition.
  J. Chem. Phys, 110, (1999), 9151 pdf
• J. Köhler
  Magnetic Resonance of a Single Molecular Spin
  Physics Reports, 310, (1999), 261 pdf
• A.M. van Oijen, J.Köhler, J.Schmidt, M.Müller and G.J.Brakenhoff ,
  Far-field Microscopy beyond the Diffraction limit.
  J. Opt. Soc. Am. A, 16, (1999), 909 pdf
• A.M. van Oijen, M. Ketelaars, J. Köhler, T.J. Aartsma and J. Schmidt,
  Spectroscopy of Single Light-Harvesting Complexes from Purple Photosynthetic Bacteria at 1.2 K.
  J. Phys. Chem. B, 102, (1998), 9363. pdf
• A.M. van Oijen, J.Köhler, J.Schmidt, M.Müller and G.J.Brakenhoff ,
  3-Dimensional super-resolution by Spectrally Selective Imaging.
  Chem. Phys. Lett., 292, (1998), 183 pdf
  (for comment see: R. van den Berg,
  Molecular Imaging Beats Limits of Light
  , Science, 281, (1998), 629)
• J. Köhler, A.C.J. Brouwer, E.J.J. Groenen and J. Schmidt,
  Isotopomere Selective Spectroscopy of Pentacene.
  J. Am. Chem. Soc., 120, (1998), 1900 pdf
• P. Kok, J. Köhler, E.J.J. Groenen, R. Gebhard, I. van der Hoef, J. Lugtenburg, R. Farhoosh and H.A. Frank,
  Resonance Raman Spectroscopy of ²H-labelled Spheroidenes in Petroleum Ether and in the Rhodobacter sphaeroides Reaction Centre.
  Spectrochim. Acta A - Biomolecular Spectroscopy, 53, (1997), 381.
• J. Köhler and J. Schmidt,
  Concise Review Paper: Perspectives of Single Molecule Magnetic Resonance Spectroscopy.
  C. R. Acad. Sci. Paris, 324, Série II b, (1997), 337.
• J. Wrachtrup, C. von Borczyskowski, J. Köhler and J. Schmidt,
  Magnetic Resonance of Single Molecular Spins.
  in: Single-Molecule Optical Detection, Imaging and Spectroscopy (eds. Th. Basché, M. Orrit, W.E. Moerner and U.P. Wild), VCH, Weinheim, (1996).
• J. Köhler,
  Magnetische Resonanz an einzelnen Molekülen. Die Hyperfeinwechselwirkung eines molekularen Spins mit einem Kernspin.
  (Festvortag anläßlich der Verleihung des Gustav-Hertz-Preises 1996 auf der 60. Physikertagung in Jena)
  Phys. Bl. 52, (1996), 699.
• A.C.J. Brouwer, J. Köhler, E.J.J. Groenen and J. Schmidt,
  ¹³C Isotope Effects for Pentacene in p-Terphenyl. High-Resolution Spectroscopy and Single Spin Detection.
  J. Chem. Phys., 105, (1996), 2212 pdf
• J. Köhler, A.C.J. Brouwer, E.J.J. Groenen and J. Schmidt,
  On the Intersystem Crossing of Pentacene in p-Terphenyl.
  Chem. Phys. Lett. , 250, (1996), 137.
• J. Köhler and D. Schmid,
  Topical Review: Frenkel Excitons in NaNO₂. Excitation Energy Transfer and Exciton Coherence.
  J. Phys.: Condens. Matter, 8, (1996), 115 pdf

• H. van der Meer, J.A.J.M. Disselhorst, J. Köhler, A.C.J. Brouwer, E.J.J. Groenen and J. Schmidt,
  An Insert for Single-Molecule Magnetic-Resonance Spectroscopy in an external Magnetic Field.
  Rev. Sci. Instr., 66, (1995), 4853. pdf
• J. Köhler, A.C.J. Brouwer, E.J.J. Groenen and J. Schmidt,
  Single Molecule Paramagnetic Resonance Spectroscopy: Hyperfinesplitting owing to a Single Nucleus.
  Science, 268, (1995), 1457.
• J. Köhler, A.C.J. Brouwer, E.J.J. Groenen and J. Schmidt,
  Fluorescence Detection of Single Molecule Magnetic Resonance for Pentacene in p-Terphenyl. The Hyperfine Interaction of a Single Triplet Spin with a Single ¹³C Nuclear Spin.
  Chem. Phys. Lett. 228, (1994), 47.
• P. Kok, J. Köhler, E.J.J. Groenen, R. Gebhard, I. van der Hoef, J. Lugtenburg, R. Farhoosh, H.A. Frank and A.J. Hoff,
  Towards a Vibrational Analysis of Spheroidene. Resonance Raman Spectroscopy of ¹³C labelled Spheroidenes in Petroleum Ether and in Rhodobacter Sphaeroides Reaction Centre.
  BBA, 1185, (1994), 188.
• J. Köhler, E.J.J. Groenen and J. Schmidt,
  De detectie van één moleculaire spin.
  Ned. Tijdschr. v. Natuurkunde, 17, (1993), 271.
• J. Köhler, J.A.J.M. Disselhorst, M.C.J.M. Donckers, E.J.J. Groenen, J. Schmidt and W.E. Moerner,
  Magnetic Resonance of a Single Molecular Spin.
  Nature 363, (1993), 242.
  (for comment see: R.J. Silbey,
  ESR on a Single Molecule
  , Nature, 363, (1993), 214.)
• J. Köhler, D. Schmid, M. Ashida, R. Kato, W.B.J.M. Janssen and A. van der Avoird,
  Coherence of Excitons in NaNO₂ Single Crystals.
  World Scientific (eds. O. Kanert and J.-M. Spaeth) Vol II, p. 1067, (1992).
• W.B.J.M. Janssen, A. van der Avoird, J. Köhler and D. Schmid,
  Lattice Dynamics of NaNO₂ in the Ferroelectric Phase.
  Phys. Stat. Sol. (b), 173, (1992), 587.
• J. Köhler, M. Hucke, D. Schmid, M. Ashida and R. Kato,
  Relaxation and Coherence of Singlet Excitons in NaNO₂ Crystals.
  J. Lumin. 53, (1992), 76.
• J. Köhler, M. Hucke and D. Schmid,
  Spectroscopic Investigations of Singlet Exciton Thermalization in NaNO₂ Single Crystals.
  J. Lumin. 52, (1992), 293.
• R. Kato, M. Ashida, J. Köhler and D. Schmid,
  Bound Multiphonon Complexes in NaNO₂.
  Phys. Lett. A 157, (1991), 435.
• J. Köhler, M. Ashida, R. Kato, Th. Schmidt and D. Schmid,
  Slow Thermalization of Singlet Excitons in NaNO₂ Crystals.
  J. Lumin. 47, (1991), 239.
• J. Köhler, Th. Schmidt and D. Schmid,
  The Influence of Exciton Dispersion on the Lineshape of NaNO₂ Fluorescence.
  J. Mol. Struct. 219, (1990), 37.

• Th. Schmidt, J. Köhler, C. Kryschi and D. Schmid,
  Sensitized Luminescence of Pure and Doped NaNO₂ Single Crystals.
  III. Excitation-Spectroscopy and Time-Resolved Trap Fluorescence.
  Phys. Stat. Sol. (b) 147, (1988), 797.
• H. Pufahl, J. Köhler, Th. Schmidt, D. Schmid and V.M. Kenkre,
  Sensitized Luminescence of Pure and Doped NaNO₂ Single Crystals.
  II. Time-Resolved Experiments and Preliminary Analysis.
  Phys. Stat. Sol. (b) 141, (1987), 303.
• F. Lisse, J. Köhler, H. Pufahl and D. Schmid,
  Sensitized Luminescence of Pure and Doped NaNO₂ Single Crystals.
  I. Stationary Spectra.
  Phys. Stat. Sol. (b) 140, (1987), 605.