TY  - BOOK
AU  - CARLETON, W. M,BARGER, E. L,LILJECLAHL, J. B
TI  - TRACTOR AND THEIR UNITS
SN  - 0-471-04855-0
U1  - 629.225 BAR'T 
PY  - 1963///
CY  - NEWYORK
PB  - JOHN WILEY
ER  -