TY - BOOK AU - Stewart,W.D.P. ED - International Biological Programme. TI - Nitrogen fixation by free-living micro-organisms SN - 9780521279321 U1 - 589.704133 PY - 1975///,2011 CY - Cambridge, Eng., New York PB - Cambridge University Press KW - Nitrogen KW - Fixation KW - Congresses KW - Nitrogen-fixing microorganisms N1 - "Papers presented at an IBP synthesis meeting on nitrogen fixation held in Edinburgh in September 1973, together with contributions submitted by other[s]."; Includes bibliographies and index ER -