TY  - BOOK
AU  - Lightfoot, C.
AU  - Axinn, N;
AU  - Singh, P;
AU  - Bottrall, A.
AU  - Conway, S;
TI  - Training resource book for agro-ecosystem mapping
AV  - QH508.L5 1989 
PY  - 1989///
CY  - India
PB  - IRRI
KW  - Ecosystems, Biotic Communities
ER  -