1. Symposium on Retinal Pigments, Meeting of Association for Research in Ophthalmology, Spring Meeting;Abrahamson,1969
2. The photochemical and macromolecular aspects of vision;Abrahamson,1967
3. The quantitative analysis of the photochemical bleaching of visual purple solutions in monochromatic light;Dartnall,1936
4. A flash-photolytic investigation of rhodopsin at low temperatures;Grellman;Nature, Lond.,1962
5. The chemistry of visual photoreception;Hubbard,1965