TY  - GEN
AU  - Butler, G C
TI  - Principles of ecotoxicology: scope 12
SN  - 0  471  99638 6
U1  - 574.  522 2 BUT 
CY  - Chichestor, John Wiley & Sons
KW  - Pollution-enviornmental aspects/toxicology/pollution toxicology/ecotoxicology
ER  -