000			00340nam a2200133Ia 4500
008			160808s1957 xx 000 0 eng d
041			_aeng
084			_aL185 _2CC
100			_aDartnall, H. J. A.
245			_aVisual Pigments / _cby H. J. A. Dartnall
260			_aLondon : _bMethuen, _c1957.
653			_aEye Disease
999			_c78844 _d78844