TY  - BOOK
AU  - Mackenzie, A.
AU  - Ball, A.S.
TI  - Instant Notes in Ecology
SN  - 81-7649-036-9
U1  - 304.2 
PY  - 1999///
CY  - New Delhi
PB  - Viva Books
KW  - Ecology
KW  - Human Ecology
ER  -