共 10 条
- [3] KAY H. D., 1955, Agriculture, V62, P369
- [4] LAING Constance M., 1956, Veterinary Record, V68, P447
- [5] LAING CM, 1956, VET REC, V68, P28
- [6] MALCOLM J. F., 1942, Proceedings. Society of Agricultural Bacteriologists, 1942, P30
- [7] Malcolm J. F., 1944, VET REC, V56, P227
- [8] MCFARLANE D., 1949, Veterinary Record, V61, P807
- [9] MCKENZIE D. A., 1947, Proceedings of the Society for Applied Bacteriology, P19
- [10] PROVAN A. L., 1955, Journal of the Society of Dairy Technology, V8, P56