TY  - BOOK
AU  - Seuser, K.
TI  - Four wheel drive, steering brakes, and differential lock for tractor ploughing on the slope
U1  - 631.312 S30F 
PY  - 1955///
CY  - Bedford
PB  - National Institute of Agricultural Engineering
KW  - TRACTORS
KW  - AGRICULTURAL MACHINERY
KW  - PLOUGHS
ER  -