000 00418nam a2200181Ia 4500
008 180116s1957 xxu||||| |||| 00| 0 eng d
082 _aWW103
_bDAR
100 _a Dartnall H. J. A.
245 _aVisual pigments
_b
250 _a
260 _aLondon
_bMethuen
_c1957
300 _a216 p.
_b22 cm.
440 _a
_v
500 _a
520 _a Retinal Pigments
650 _aRetinal Pigments
906 _a6513
_b
_c
999 _c20442
_d20442