TY  - BOOK
AU  -  Norberg-King,T.J.
ED  -  United States. 
TI  -  Methods for aquatic toxicity identification evaluations. 
U1  -  615.907   22
PY  - 1991///
CY  -  Washington, D.C. : 
PB  -  United States Environmental Protection Agency, 
KW  -  Toxicity testing
KW  -  Water-pollution
KW  -  Toxicology
ER  -