TY  - BOOK
AU  - Stephen R. Gliessman
AU  -  Eric W. Engles, 
TI  - Field and Laboratory Investigations in Agroecology
SN  - 1-56670-445-6
U1  - 630.2745 
PY  - 2000///
CY  - Boca Raton
PB  - Lewis Publishers
ER  -