Anomalies in the absorption spectrum of visual purple /
Hecht, Selig
Anomalies in the absorption spectrum of visual purple / Selig Hecht and Aurin M. Chase - Washington : [s.n.], 1934 - 233-243 p. : ill. ; 23 cm - Proceedings of the National Academy of Sciences ; 20 .
Anomalies in the absorption spectrum of visual purple / Selig Hecht and Aurin M. Chase - Washington : [s.n.], 1934 - 233-243 p. : ill. ; 23 cm - Proceedings of the National Academy of Sciences ; 20 .