na INLIS000000000006628 Ind 0010-1118006628 Identification and characterization of resistence to the Russian wheat aphid in small-grain cereals: investigation at CIMMYT, 1990-92 ROBINSON, Jonathan Jonathan, Robinson Mexico CIMMYT 1992 xii, 44 p.: ill.; 25 cm xii, 44 p.: ill.; 25 cm ISBN: 968-6923-41-1 Bibl.: p. 33-38 633.11(47) WHEATS CEREAL CROPS IDENTIFICATION RUSSIAN 439/MS/96