共 10 条
[8]
SATO E, 1978, J REPROD FERTIL, V54, P263, DOI 10.1530/jrf.0.0540263
[9]
SNEDECOR GW, 1967, STATISTICAL METHODS, P419
[10]
WELSCHEN R, 1977, J REPROD FERTIL, V50, P129, DOI 10.1530/jrf.0.0500129