TY  - GEN
AU  - Mackenzie , A.
AU  - Ball , A.S 
AU  - Virdee , S.R.
TI  - Instant notes in ecology
SN  - 8176490369
U1  - 570 
PY  - 1999///
CY  - New Delhi
PB  - Viva Books
KW  - BIOLOGY
KW  - LIFE SCIENCE
ER  -