TY  - BOOK
AU  - Wojtkowski, Paul A
TI  - Introduction to agroecology principles and practices
SN  - 1560223170
U1  - 577.5 WOJ 
PY  - 2006///
CY  - New York
PB  - Food Products Press
KW  - agroecology principles and practices
N1  - Includes index
ER  -