TY  - BOOK
AU  - Butterworth,Bill
TI  - Farm tractors : the case guide to tractor selection, operation, economics and servicing / 
SN  - 0419132406
U1  - 629.225 
PY  - 1984///
CY  - London : 
PB  - E. and F.N. Spon , 
KW  - CASE TRACTORS
N1  - Include index
ER  -