共 11 条
[1]
FREE J. B., 1959, Journal of Agricultural Science, V53, P1, DOI 10.1017/S0021859600030859
[3]
FREE JB, 1959, BUMBLEBEES, P298
[4]
JEFFREE E. P., 1951, BEE WORLD, V32, P89
[5]
MARTIN H., 1965, Insecticide and fungicide handbook for crop protection.
[6]
MAY MA, 1966, 1965 REP ROTH EXP ST, P167
[7]
NEEDHAM P. H., 1966, BEE WORLD, V47, P65
[9]
RIEDEL JBM, 1960, ANN APPL BIOL, V48, P121
[10]
SCRIVEN W. A. et al., 1961, Outlook on Agriculture, V3, P69