Martinez, Esperanza . Highlights of nitrogen fixation research / edited by Esperanza Martinez and Georgina Hernandez. - New York : Kluwer Academic Publishers , 1999. - xi,290p. : ill. ; 23cm . Includes bibliographical references ISBN: 0306461374 Rs. 280.00 Subjects--Index Terms: NITROGEN-FIXATION CONGRESSES Dewey Class. No.: 572.545 / MAR/H