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1An assessment of the benefits and costs of pest control in humid tropical grain storage systems An assessment of the benefits and costs of pest control in humid tropical grain storage systemsby 114360 Ryland, G.J., 2263 ACIAR, Canberra (Australia), 35833 International Seminar on Pesticides and Humid Tropical Grain Storage Systems Manila (Filipinas) 27-30 May 1985
Published 1985bibliotecaIICA