Nitrogen fixation : vol. 2, Symbiotic associations and cyanobacteria - Kettering International Symposium on Nitrogen Fixation, 1978 : Madison, Wis.); Newton, William E. (William Edward), 1938-; Orme-Johnson, William H. (Baltimore : University Park Press, 1980)
Includes bibliographical references and index.
Keywords: Nitrogen-fixing microorganisms; Nitrogen -- Fixation