TY  - BOOK
AU  - Butterworth, Bill
TI  - Farm tractors : the case guide to tractor selection, operation, economics and servicing
U1  - 631.372 B98F 
PY  - 1984///
CY  - London
PB  - E & F.N. Spon
KW  - TRACTORS
KW  - AGRICULTURAL MACHINERY
ER  -