共 5 条
[1]
BEZPA J, 1972, 403 RUTG U NE REG PU
[2]
PETERSEN C. F., 1965, WORLD S POULTRY SCI J, V21, P110, DOI 10.1079/WPS19650013
[3]
SNEDECOR GW, 1957, STATISTICAL METHODS
[5]
1971, EGG EGG PRODUCTS INS, V36