TY  - BOOK
AU  - Cowgill, U.M, Williams, L.R
TI  - Aquatic toxicology and hazard assessment, 12th volume
SN  - 0-8031-1253-X
U1  - 615.9 AQU 
PY  - 1989///
CY  - NEW YORK
PB  - ASTM
KW  - AQUATIC TOXICOLOGY
ER  -