Dairy science
Petersen, W. E.
Dairy science W. E. Petersen - Chicago : J. B. Lippincott, 1939. - viii, 679 p. ; 21 cm.
Includes index.
Dairying
637 PET
Dairy science W. E. Petersen - Chicago : J. B. Lippincott, 1939. - viii, 679 p. ; 21 cm.
Includes index.
Dairying
637 PET