共 9 条
- [1] BERESKIN B, 1967, J DAIRY SCI, V50
- [2] LEWIS D, 1960, QUANTITATIVE METHODS
- [3] Lush J. L., 1945, ANIMAL BREEDING PLAN
- [4] ROACHE KL, 1960, THESIS IOWA STATE U
- [5] SALISBURY GW, 1961, PHYSIOLOGY REPRODUCT
- [6] SWETT WW, 1948, USDA964 TECH B
- [8] WINTERS LM, 1942, 151 MINN AGR EXP STA
- [9] YAPP WW, 1932, 1931 AM SOC AN PROD, P33