TY  - BOOK
AU  - J NORMAN EFFERSON
TI  - PRINCIPLES OF FARM MANAGEMENT
U1  - GN338.13EF38P 
PY  - 1953///
CY  - NEW YORK
PB  - MCGRAW-HILL BOOK COM.
KW  - PRINCIPLES OF FARM MANAGEMENT
N1  - MODERN BOOK HOUSE
ER  -