ARNON, D I Photoproduction of hydrogen, photofixation of nitrogen and a unified concept of photosynthesis. [electronic resource] - Nature May 1961 - 601-6 p. digital Publication Type: Journal Article ISSN: 0028-0836 Standard No.: 10.1038/190601a0 doi Subjects--Topical Terms: ChromatiumHydrogenNitrogenPhotosynthesis