1. Berg HC, Stoeckenius W (1973) Personal communication
2. Dencher NA (1974) Functions of Bacteriorhodopsin. In: Jaenicke L (ed) Biochemistry of sensory functions. Springer-Verlag, Berlin Heidelberg New York, pp 161?163
3. Dencher NA, Rafferty CN, Sperling W (1976) 13-cis and trans bacteriorhodopsin: Photochemistry and dark equilibrium. Berichte der Kernforschungsanlage Jülien, Jül-1374, pp 1?42
4. Dencher NA (1978) Light-induced behavioral reactions of Halobacterium halobium: Evidence for two rhodopsins acting as photopigments. In: Caplan SR, Ginzburg M (eds) Energetics and structure of halophilic microorganisms. Elsevier/North Holland Biomedical Press, Amsterdam, pp 67?88
5. Dencher NA, Hildebrand E (1979) Sensory transduction in Halobacterium halobium: Retinal protein pigment controls UV-induced behavioral response. Z Naturforsch 34c:841?847