References
- Cameron , H. S. 1959 . J. Amer. vet. med. Ass. , 135 : 489 – 489 .
- F.A.O./W.H.O. Jt. Expert Ctee. Brucellosis . 1951 . F.A.O. Agric. Stud. No. 14 , Rome : F.A.O. .
- Kerr , W. R. and Rankin , J. F. 1963 . J. Soc. dairy Tech. , 16 : 214 – 214 .
- Marr , T. G. and Williams , H. 1958 . Vet. Rec. , 70 : 419 – 419 .