TY - BK AU - Peterson,V. AU - Pike,K.S. AU - Retan,A.H. TI - Identification of aphids on small grains [Pests] T2 - Extension Bulletin - Washington State University, Cooperative Extension Service (USA). SN - 0096-6568 U1 - 83-863605 PY - 1982/// KW - Cereals general KW - Injurious insects KW - Protection of stored products of plant and animal origin N1 - ill ER -