Current issues in symbiotic nitrogen fixation edited by G.H. Elkan and R.G. Upchurch - Dordrecht ; Boston Kluwer Academic Publishers 1997 - 196 p. : ill. ; 27 cm Includes bibliographical reference and index ISBN: 9780792343677 ISSN: 97008152 Subjects--Topical Terms: Nitrogen - Fixation - Congresses Dewey Class. No.: 572.545 ELK