共 4 条
[1]
BRANDT AE, 1938, 234 IOW AGR EXPT STA
[2]
Seath D. M., 1944, JOUR DAIRY SCI, V27, P159, DOI 10.3168/jds.S0022-0302(44)92575-0
[3]
SNEDECOR GW, 1946, STATISTICAL METHODS