共 8 条
[1]
Bishopp F. C., 1937, USDA FARMERS B, V734
[2]
BURKS B. D., 1938, JOUR ECON ENT, V31, P316, DOI 10.1093/jee/31.2.316
[3]
Cottam Clarence, 1946, 11 US FISH WILDL SER
[4]
CRAIGHEAD FC, 1945, E649 US BUR ENT PLAN
[5]
CRAIGHEAD FC, 1946, E684 US BUR ENT PLAN
[6]
DOWDEN PB, 1945, E663 US BUR ENT PLAN
[7]
HOFFMANN CH, 1946, E702 US BUR ENT PLAN
[8]
KALOOSTIAN GH, 1944, ET220 US BUR ENT PLA