1. The benefits and costs of a system of mastitis control in individual herds;Asby,1975
2. Mastitis control and herd management;Bramley,1981
3. A large scale mastitis control programme in Somerset;Brander;Vet. Rec.,1975
4. CMD Year Review 1980;CMD,1981
5. Economic aspects of diseases and disease control, especially mastitis, in Dutch dairy farming;Dijkhuizen,1977