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1. Nitrogen fixation by the free-living micro-organisms /   Publication: Cambridge U.P. , 1975 . xxi,471 p .: , 'Papers presented at an IBP synthesis meeting on nitrogen fixation held in Edinburgh in September 1973 Date:1975 Availability: Copies available: Turkeyen Campus Science & Technology [QR89.7 N57] (1), Actions: Add to cart
2. Biological nitrogen fixation /   Publication: Watford, Herts : Merrow, 1972 . vi, 61 p. : Date:1972 Availability: Copies available: Turkeyen Campus Science & Technology [QR89 .7 P67] (2), Actions: Add to cart