TY  - BOOK
AU  - Tivy,Joy
TI  - Agricultural ecology
SN  - 0582301637 :
U1  - 577.55 19
PY  - 1996///
CY  - London
PB  - Longman
KW  - Agriculture
KW  - Spines
KW  - Ecological balance
N1  - gm
N2  - Environment Management
ER  -