Proved sires and partially proved dams in breeding dairy cattle for production
Dahlberg, A.C.
Proved sires and partially proved dams in breeding dairy cattle for production - Geneva 1934 - 1-30 p. - Diray, Cattle New York Agricultural Experiment Station. Bulletin No. 645 .
Proved sires and partially proved dams in breeding dairy cattle for production - Geneva 1934 - 1-30 p. - Diray, Cattle New York Agricultural Experiment Station. Bulletin No. 645 .