Murray, G C Intracellular absorption difference spectrum of Limulus extra-ocular photolabile pigment. [electronic resource] - Science (New York, N.Y.) Dec 1966 - 1182-3 p. digital Publication Type: Journal Article ISSN: 0036-8075 Standard No.: 10.1126/science.154.3753.1182 doi Subjects--Topical Terms: AnimalsCrustaceaOlfactory NervePigments, Biological--analysisSensory Receptor CellsSpectrophotometry