共 27 条
- [2] ARCHIBALD JG, 1948, STUDY QUALITY ROUGHA
- [5] HUFFMAN C. F., 1939, JOUR DAIRY SCI, V22, P889, DOI 10.3168/jds.S0022-0302(39)92948-6
- [7] JUNGHERR EL, UNPUB
- [9] KEYES EA, 1943, J DAIRY SCI, V26, P741
- [10] LAGERLOF NILS, 1929, SKAND VETERINARTIDSKR, V19, P253