TY  - BOOK
AU  - R. Donnell
AU  - W. Lester
TI  - Farm Machinery Mechanisms
U1  - 631.3 
PY  - 1973///
CY  - USA
PB  - The Lowa State University Press
KW  - Agriculture and related technologies
KW  - Technology (Applied sciences)
KW  - Agricultural machinery
ER  -