TY  - BOOK
AU  - Everhart,W.Harry
AU  - May,Bruce E.
TI  - Effects of Chemical vartiations in aquatic environments: volume 1 Biota and chemistry of piceance creek 
U1  - 577.6 
PY  - 1973///
CY  - Washington, D.C.
PB  - United States Environmental Protection Agency
KW  - Chemical vartiations
KW  - Analysis
KW  - Aquatic ecology
KW  - Environments
N1  - EPA-R3-73-011a
ER  -