TY - BOOK ED - International Symposium on Nitrogen Fixation (4th : 1980 : Canberra) ED - Gibson, Alan H. ED - Newton, W. E., TI - Current perspectives in nitrogen fixation: proceedings of the Fourth International Symposium on Nitrogen Fixation held in Canberra, Australia, 1 to 5 Dec. 1980 SN - 0444802916 PY - 1981/// CY - Amsterdam PB - Elsevier North-Holland KW - Nitrogen KW - Fixation KW - Congresses N1 - Includes bibliographical references ER -