Dairy cattle and milk production
Eckles, Clarence H
Dairy cattle and milk production Clarence H Eckles - New York : The MacMillan Company, 1939. - xv, 520 p. ; 20 cm.
Cattle
Milk production
637.12 ECK
Dairy cattle and milk production Clarence H Eckles - New York : The MacMillan Company, 1939. - xv, 520 p. ; 20 cm.
Cattle
Milk production
637.12 ECK