TY  - BOOK
AU  - Hatfield, Jerry L.
AU  - Karlen, D. L.
TI  - Sustainable agriculture systems
SN  - 1566700493
AV  - S494.5.S86 S86 1994
U1  - 630 20
PY  - 1994///
CY  - Boca Raton
PB  - Lewis Publishers
KW  - Sustainable agriculture
KW  - Agricultural systems
KW  - Agricultural ecology
N1  - Includes bibliographical references and index
ER  -