TY  - BOOK
AU  - Snodgrass, MIlton M  .
AU  - Wallace,L T  .
TI  - Agriculture , Economics and resource management / 
SN  - 0  87692  221  3
U1  - 630.33 
PY  - 1984///
CY  - New Delhi : 
PB  - Prentice Hall of India Pvt Ltd. , 
ER  -