共 30 条
[1]
BEHRE CE, 1936, MASSACHUSETTS FOREST, V157
[2]
BERGOLD GH, 1953, ADV VIRUS RES, P91
[3]
Bess Henry A., 1945, ANN ENT SOC AMERICA, V38, P472, DOI 10.1093/aesa/38.4.472
[4]
Bird F. T., 1954, Bi-m. Progr. Rep. Div. For. Biol. Dep. Agric. Can., V10, P2
[5]
BIRD FT, 1955, CANADIAN ENT, V97, P124
[6]
BIRD FT, 1950, PROGR REPT FOREST IN, V6, P2
[7]
BURGESS AF, 1938, 404 US DEP AGR CIRC