共 7 条
- [1] BABCOCK SM, 1895, 12 WISC AGR EXPT STA, P93
- [2] ORLAJENSON, 1905, REV GEN LAIT, V4, P361
- [3] ORLAJENSON, 1905, REV GEN LAIT, V4, P388
- [4] ORLAJENSON, 1905, REV GEN LAIT, V4, P419
- [5] ROWLAND S. J., 1933, Journal of Dairy Research, V5, P46, DOI 10.1017/S0022029900000911
- [6] RUPP P, 1913, USDA BUR AN IND B, V166