TY  - BOOK
AU  - Case, H. C. M. 
AU  - Paul E. Johnston
TI  - Principles of farm management
U1  - 631 22
PY  - 1953///
CY  - Chicago
PB  - J. B. Lippincott Company
KW  - agricultural engineering
KW  - farm management
N1  - include index
ER  -