TY - BOOK AU - J C GORDON TI - BILLOGICAL NITROGEN FIXATION IN FOREST ECOSYSTEMS: FOUNDATIONS & APPLICATIONS U1 - R-634.928 G656 PY - 1983/// CY - USA PB - MARTINUS NIJHOFF KLUWER ACADEMIC KW - BILLOGICAL NITROGEN FIXATION IN FOREST ECOSYSTEMS: FOUNDATIONS & APPLICATIONS N1 - MODERN BOOK HOUSE ER -