TY  - BOOK
AU  - Levin, Simon, A.
TI  -  Ecotoxicology : : problems and approaches
T2  - Springer advanced texts in life sciences
U1  - 574.5222 
PY  - 1989///
CY  - New York
PB  - Springer- Verlag
KW  - Pollution- Environmental aspects
ER  -