TY  - BOOK
AU  - Frumkis, I.V.
TI  - Draught characteristics of tractors with hydrostatic transmission
U1  - 631.372 F94D 
PY  - 1961///
CY  - Bedford, U.K.
PB  - National Institute of Agricultural Engineering
KW  - TRACTORS -- HYDRAULIC EQUIPMENT
ER  -