共 21 条
- [1] ANDERSON BK, 1969, THESIS QUEENS U BELF
- [3] Bolsen K. K., 1978, Fermentation of silage - a review., P181
- [6] DONE DL, 1986, RES DEV AGRIC, V3, P83
- [8] GRAY R, 1976, 7 EUR ASS AN PROD S, P335
- [9] Henderson A. R., 1984, Research and Development in Agriculture, V1, P171