TY  - GEN
AU  - Packer L.
TI  - Methods in Enzymology: Vol-81, Part-H: Biomemberance
SN  - 0121819817
U1  - 572.736 
PY  - 1982///
CY  - London
PB  - Academic Press
N1  - Visual pigment and purple membrance, I
ER  -