TY  - GEN
AU  - Wojtkowski, Paul A
TI  - Introduction to agroecology: principles and practices
SN  - 9781560223160
U1  - 630.27755 
PY  - 2006///
CY  - New York
PB  - Food Products
KW  - Agricultural Ecology
KW  - Agriculture
KW  - Agroecology
ER  -