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Frank, H. A. and Chynwat, V. and Hartwich, G. and Meyer, M. and Katheder, Ingrid and Scheer, Hugo (1993): Carotenoid triplet state formation in Rhodobacter sphaeroides R-26 reaction centers exchanged with modified bacteriochlorophyll pigments and reconstituted with spheroidene. In: Photosynthesis Research, Vol. 37, No. 3: pp. 193-203 [PDF, 957kB]
Hartwich, G. and Katheder, Ingrid and Cmiel, Edmund and Schäfer, W. and Fiedor, L. and Scherz, A. and Leonard, M. and Mäntele, M. and Michel-Beyerle, Maria E. (1993): Bacteriochlorophylls with modified central metals in bacterial reaction centers. In: Abstracts of th Fifth Congress of the European Society for Photobiology, Vol. 52
Scheer, Hugo and Cmiel, Edmund and Fischer, M. and Göbel, A. and Hartwich, G. and Meyer, M. and Storch, F. and Schäfer, W. (1993): Bacterial reaction centers with modified chromophores. New Results. European Photobiology Conference, 1993, Marburg.