Ecology of the pea aphid in the blue mountain area of estern Washington and oregon
Cooke, W.C.
Ecology of the pea aphid in the blue mountain area of estern Washington and oregon - Washington 1963 - 1-48 p. - Ecology United States Department of Agricultuer. Technical Bulletin No. 1287 .
Ecology of the pea aphid in the blue mountain area of estern Washington and oregon - Washington 1963 - 1-48 p. - Ecology United States Department of Agricultuer. Technical Bulletin No. 1287 .