TY  - BOOK
AU  - Sharp,M.A.
AU  - Sharp, W. M. 
TI  - Principles of farm mechanics
AV  - S675 .S48
U1  - 631.3 22
PY  - 1930///
CY  - New York, London
PB  - J. Wiley & Sons, inc., Chapman & Hall, ltd.
KW  - Agricultural engineering
KW  - engineering
KW  - Agricultural machinery
N1  - include index
ER  -