Rao, Subba, N.S Biological nitrogen fixation recent developments - New Delhi Oxford & IBH Pub. 1988 - xi, 337 p. Illustration ISBN: 8120402650 Subjects--Topical Terms: BIOCHEMISTRYMiscellaneous ChemicalsNITROGEN FIXATIONNitrogen Dewey Class. No.: 572.5452 / BIO