共 6 条
- [1] COX WA, 1980, STARTERS MANUFACTURE, P29
- [2] GALESLOOT TE, 1962, NED MELK ZUI, V16, P89
- [3] STADHOUDERS J, 1980, STARTERS MANUFACTURE, P9
- [4] STADHOUDERS J, 1976, N EUR DAIRY J, V42, P190
- [5] WAES G, 1974, Revue de l'Agriculture (Brussels), V27, P721
- [6] 1958, IDFFIL3 STAND