共 22 条
[1]
ABRAMS RI, 1978, AM BEE J, V118, P555
[2]
ABRAMS RI, 1978, AM BEE J, V118, P558
[4]
BERNARD RL, 1975, SOYBEAN GENET NEWSL, V2, P37
[8]
CAVINESS CE, 1970, INDISPENSABLE POLLIN, P33
[9]
CUTLER G. H., 1934, JOUR AMER SOC AGRON, V26, P252