TY - BOOK AU - Hawksworth, D.L. TI - The identification and characterization of pest organisms: proceedings of the third workshop on the ecological foundations of sustainable agriculture (WEFSA) SN - 0851989047 AV - SB608.I4. 1994 PY - 1994/// CY - Wallingford PB - CAB International the systematics association KW - Biology classification KW - Pests control KW - Pests biological control ER -