TY - RPRT TI - An expert system for prediction of aquatic toxicity of contaminants AU - James P. Hickey AU - Andrew J. Aldridge AU - Dora R. May Passino AU - Anthony M. Frank PY - 2009 DO - 10.1021/bk-1990-0431.ch007 UR - https://pubs.usgs.gov/publication/93729 ID - 93729 ER -