Rao N S Subba Ed Symbioses in nitrogen-fixing trees - New Delhi Oxford IBH Publishing Co Pvt Ltd 1993 - xv,271p ISBN: 8120407571 (hbd) Standard No.: 3646 Source: Jagmander, Textual Subjects--Topical Terms: Metabolism Nitrogen fixingBotany Dewey Class. No.: I:33;E150, N3