Home › Authors › D. C.) Joint American-Soviet Conference on Use of Beneficial Organisms in the Control of Crop Pests (1979 : Washington 👤 D. C.) Joint American-Soviet Conference on Use of Beneficial Organisms in the Control of Crop Pests (1979 : Washington 1 book Books by D. C.) Joint American-Soviet Conference on Use of Beneficial Organisms in the Control of Crop Pests (1979 : Washington Proceedings of the Joint Ameri Proceedings of the Joint American-Soviet Conference on Use of Beneficial Organisms in the Control of Crop Pests, Washington, D.C., U.S.A., August 13-14, 1979 1981