TY  - BOOK
AU  - Richey,C.B.
AU  - Jacobson,Paul
AU  - Hall,Carl W.
TI  - Agricultural engineers' handbook
AV  - S675 .R5
U1  - 631 
PY  - 1961///
CY  - New York
PB  - McGraw-Hill
KW  - Agricultural engineering
ER  -