TY  - BOOK
AU  - Roth,L.O.
AU  - Field,H.L.
TI  - An introduction to agricultural engineering: a problem-solving approach 
SN  - 0412069911
AV  - S657.R62 1991
PY  - 1991///
CY  - New York 
PB  - Chapman and Hall 
KW  - Agricultural engineering
N1  - "An Avi book."; Includes index
ER  -