TY - GEN AU - Dent, D.R AU - Walton, M.P TI - Methods in ecological and agricultural entomology SN - 0851991327 U1 - 632.7 PY - 1997/// CY - UK PB - CABI KW - Agriculture Pests KW - Beneficial Insects KW - BIOLOGICAL CONTROL KW - Entomology KW - Insect Pests ER -