Diagnosis and control of mastitis
Udall, D.H., Johnson, S.D.
Diagnosis and control of mastitis - Ithaca 1933 - 1-15 p. - Diagnosis, Mastitis Cornell Agricultural Experiment Station. Bulletin No. 579 .
Diagnosis and control of mastitis - Ithaca 1933 - 1-15 p. - Diagnosis, Mastitis Cornell Agricultural Experiment Station. Bulletin No. 579 .