TY  - BOOK
AU  - G Liessman, Stephen R.
TI  - Field and laboratory investigation in agroecology
U1  - 630.274 502 8 G42F 
PY  - 2007///
PB  - Boca Raton
KW  - AGRICULTURAL ECOLOGY - LABORATORY MANUALS
KW  - AGRICULTURAL ECOLOGY - FIELD WORK
ER  -