共 20 条
[3]
BUTLER C. G., 1964, J APICULT RES, V3, P65
[4]
Butler C. G., 1958, Proceedings of the Royal Entomological Society of London (A), V33, P120
[5]
BUTLER C. G., 1961, PROC ROY SOC SER B BIOL SCI, V155, P417
[6]
BUTLER CG, 1968, PROC R ENTOMOL SOC A, V43, P62
[7]
BUTLER CG, 1967, PROC R ENTOMOL SOC A, V42, P149
[8]
BUTLER CG, 1965, VEDECKE PRACE VYZKUM, P33
[9]
CALLOW R. K., 1964, J APICULT RES, V3, P77