TY  - BOOK
AU  - Langer, Helmut.
ED  - Symposium held at institute fur tierphysiologie, ruhr university bochum/W. germany
TI  - Biochemistry and physiology of visual pigments
SN  - 3540062041
U1  - 591 
PY  - 1973///
CY  - Newyork
PB  - Springer verlag
KW  - Photoreceptors
KW  - Visual pigments
ER  -