TY - BOOK AU - FAO TI - Biological control of gastro-intestinal nematodes of ruminants using predacious fungi SN - 9251041091 AV - FAO SF 810 .N4B56 1998 PY - 1998/// CY - ROME PB - FAO KW - Ruminants -----parasites, Biological Control-----, Trophical----- Congresses ER -