Crane, E. Walker, P. The impact of pest management on bees and pollination - Tropical Development and Research Institute London 1983 - ix,73p. - Pest management Insect pests Biological control Pesticides ISBN: 0851351301 Nat. Bib. No.: 4444 Nat. Bib. Agency Control No.: 632.937 CRA Subjects--Topical Terms: Agriculture Universal Decimal Class. No.: 632.937