TY  - BOOK
AU  - Sheehan P J Ed.
AU  -  Butler G C Ed.
AU  -  Miller D R Ed.
TI  - Effects of pollutants at the ecosystem level
U1  - G:50gD854, M4 
PY  - 1984///
CY  - Chichester
PB  - John Wiley        
KW  - Ecology
ER  -