共 8 条
[1]
GUTHRIE W. D., 1965, IOWA STATE J SCI, V40, P65
[3]
GUTHRIE WD, 1960, 860 OH AGR EXP STN R
[4]
Guthrie WD, 1971, P ANN CORN SORGHUM R, V26, P165
[5]
HUGGANS J L, 1970, Iowa State Journal of Science, V44, P313
[6]
LEWIS L C, 1969, Iowa State Journal of Science, V44, P9
[7]
RATHORE YS, 1973, J ECON ENTOMOL, V66, P1195, DOI 10.1093/jee/66.5.1195