TY  - RPRT
TI  - Aquatic toxicity, salinity and water hardness
AU  - I.R. Hardin
AU  - P. V. Winger
AU  - P. J. Lasier
AU  - M.S. Brewer
PY  - 1995
UR  - https://pubs.usgs.gov/publication/5223372
ID  - 5223372
ER  -