共 14 条
- [1] CLAPP EE, 1946, THESIS CORNELL U LIB
- [2] DUNBAR RS, 1950, THESIS CORNELL U LIB
- [3] HENDERSON CR, 1948, THESIS IOWA STATE CO
- [4] KAB E, 1938, ANIM BREED ABSTR, V6, P200
- [5] KOCH W, 1939, ANN BREED ABSTR, V7, P310
- [6] LEONARD HA, 1950, ANAL FACTORS AFFECTI
- [7] Lush J. L., 1945, ANIMAL BREEDING PLAN
- [8] LUSH JL, 1940, P AM SOC ANIMAL PROD, V32, P293
- [9] SEATH D. M., 1941, JOUR DAIRY SCI, V24, P510
- [10] SPIELMAN ARLESS, 1939, JOUR DAIRY SCI, V22, P329, DOI 10.3168/jds.S0022-0302(39)92891-2