TY - RPRT TI - Software for analysis of chemical mixtures--composition, occurrence, distribution, and possible toxicity AU - Jonathon C. Scott AU - Kenneth A. Skach AU - Patricia L. Toccalino PY - 2013 DO - 10.3133/sir20135030 UR - https://pubs.usgs.gov/publication/sir20135030 ID - sir20135030 ER -