TY  - GEN
AU  - Roth , O Lawrence 
AU  - Field , L Harry 
TI  - Introduction to agricultural engineering
SN  - 8123904711
U1  - 631.3 
PY  - 1996///
CY  - New Delhi
PB  - CBS 
KW  - INCLUDS AN INDEX
KW  - ENGINEERING
ER  -