TY  - BOOK
AU  - SMITH,HARRIS PEARSON
AU  - WILKES,HAMBERT HENRY
TI  - FARM MACHINERY AND EQUIPMENT / 
U1  - 631 
PY  - 1977///
CY  - [S.N] : 
PB  - TATA MCGRAW - HILL PUBLISHING ، 
KW  - FARM MECHANIZATION
KW  - FARMING
KW  - AGRICULTURE
ER  -