TY  - BOOK
AU  - Donahue, Roy L.
AU  - Christiansen, James E.
TI  - Exploring agriculture: an introduction to food and agriculture 
U1  - 630 DON 
PY  - 1984///
CY  - Enlgewood Cliffs, N.J
PB  - Prentice-Hall
KW  - Agriculture
ER  -