TY  - BOOK
AU  - Peterson, W. E.
AU  - Gregory, R. W.
TI  - Dairy science: its principles and practice in production, manage ment, and processing  
U1  - 637 21
PY  - 1939///
CY  - Chicago
PB  - J.B. Lippincott
KW  - Dairy farming
N1  - Includes bibliographical references (p.658-666) and index
ER  -