TY  - GEN
AU  - Wilkinson, Robert H.
AU  - Braunbeck, Oscar A.
TI  - Elements of agricultural machinery
SN  - 9251004013
U1  - 631.3 
PY  - 1977///
CY  - Rome
PB  - FAO
KW  - Tools, machinery, apparatus, equipments
KW  - Agriculture and related technologies
ER  -