共 19 条
- [1] ALLEN RO, 1980, ECOLOGICAL IMPACT AC, P102
- [2] Blood DC, 1983, VET MED
- [3] FROSLIE A, 1980, ACTA AGR SCAND, V30, P17
- [4] FROSLIE A, 1983, ACTA AGR SCAND, V33, P97
- [5] FROSLIE A., 1977, NORSK VET T, V89, P71
- [6] GYDESEN H, 1981, AMBIO, V10, P229
- [7] Hanssen JE, 1980, ECOLOGICAL IMPACT AC, P116
- [8] HEALY W B, 1970, Proceedings of the New Zealand Society of Animal Production, V30, P11
- [9] Holt G., 1983, Norsk Veterinaertidsskrift, V95, P341
- [10] KNOPPLER HO, 1979, FLEISCHWIRTSCHAFT, V59, P241