Gruber, Nicolas Elusive marine nitrogen fixation. [electronic resource] - Proceedings of the National Academy of Sciences of the United States of America Apr 2016 - 4246-8 p. digital Publication Type: Journal Article ISSN: 1091-6490 Standard No.: 10.1073/pnas.1603646113 doi Subjects--Topical Terms: Nitrogen FixationOceans and Seas