Affiliation: | 1. Max-Planck-Institut für Zellbiologie, D-6802, Ladenburg, Federal Republic of Germany 2. Department of Biochemistry of the Institute of Chemistry and Physics, Sosnowiec, Poland 3. Laboratoire d'Analyses par Réactions Nucléaires, B-5000, Namur, Belgium 4. Département de Radiobiologie, Centre d'Etude de l'Energie Nucléaire, C.E.N./S.C.K., B-2400, Mol, Belgium 5. Central Bureau for Nuclear Measurements, B-2440, Geel, Belgium 6. Institut für Botanik, Universit?t Hannover, Hannover 21, D-3000, Federal Republic of Germany 7. Laboratoire de Biologie cellulaire végétale, CNRS, ERA 325, Université Paris VII, 2, Place Jussieu, F-75221, Paris Cédex 05, France 8. Laboratoire de Cytologie et Embryologie moléculaires et Laboratoire des Etalons de fréquence, Université Libre de Bruxelles, Belgium 9. Department of Chemistry, University of British Columbia, V6T 1W5, Vancouver, B.C., Canada 10. Department of Botany, University of British Columbia, V6T 1W5, Vancouver, B.C., Canada 11. Department of Biology, University of Saskatchewan, S7N 0W0, Saskatoon, Saskatchewan, Canada 12. Botanical Institute, Czechoslovak Academy of Sciences, Botanická 8, 602 00, Brno, Czechoslovakia 13. Institute of Plant Physiology, Academy of Sciences USSR, Botanicheskaya 35, 127106, Moscow, USSR 14. Fachrichtung Feinstrukturforschung und Elektronenmikroskopie, Fachbereich Biologie, Freie Universit?t Berlin, K?nigin-Luise-Strasse 12-16 a, D-1000, Berlin 33 15. Laboratory of Photobiology, Department of Botany, University of Liège, B-4000, Sart Tilman, Liège, Belgium 16. Department of Chemistry, Cornell University, 14853, Ithaca, NY, USA 17. Fachrichtung Biochemie der Pflanzen, Freie Universit?t Berlin, K?nigin-Luise-Strasse 12-16 a, D-1000, Berlin 33 18. Institut für Pflanzenphysiologie und Zellbiologie, Freie Universit?t Berlin, K?nigin-Luise-Strasse 12-16 a, D-1000, Berlin 33 19. Department of Molecular, Cellular, and Developmental Biology Boulder, University of Colorado at Boulder, CO 80309, USA 20. Department of Biology, College of General Education, Osaka University, Toyonaka-shi, Osaka, Japan 21. Biologisches Institut II, Universit?t Freiburg, Federal Republic of Germany 22. Institut für Allgemeine Botanik und Pflanzenphysiologie der Justus-Liebig, Universit?t Giessen, D-6300, Giessen, Federal Republic of Germany
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