Lyons, James M. Genetic engineering of symbiotic nitrogen fixation : and conservation of fixed nitrogen - New York : Plenum, 1980 - 698 p. : ilus. - Basic life sciences ; 17 . - Basic life sciences ; 17 . LCCN: 34369 Subjects--Topical Terms: Genética.Nitrificación.Nitrógeno--Fijación. Dewey Class. No.: 631.46 / L9