共 7 条
- [1] ARUNI AW, 1997, SMALL RUMINANT RES, V3, P180
- [4] Gibbs R.W., 1979, DISCOURSE PROCESS, V2, P1, DOI [DOI 10.1080/01638537909544450, 10.1080/01638537909544450]
- [5] MORNET P., 1956, Revue de l'Elevage. Productions animales - Productions fourrageres, V9, P313
- [6] SHAILA MS, 1989, VET REC, V125, P602