TY  - BOOK
AU  - Ennos, A.R.
AU  - Bailey, S.E.R.
TI  - Problem solving in environmental biology, A.R. Ennos, eng
SN  - 0582218748
U1  - 628, 
PY  - 1995///
CY  - LoNew Delhion, Longman
ER  -