TY  - BOOK
AU  - Duryee, William B.
TI  - Farming for security
U1  - 630 DUR 
PY  - 1943///
CY  - New York
PB  - McGraw-Hill Book Company
KW  - Sustainable farming
KW  - Agricultural economics
KW  - Soil conservation
N1  - Sustainable farming
ER  -