TY - RPRT TI - Estimation of distributional parameters for censored trace level water quality data: 2. Verification and applications AU - Dennis R. Helsel AU - Robert J. Gilliom PY - 2010 DO - 10.1029/wr022i002p00147 UR - https://pubs.usgs.gov/publication/70014994 ID - 70014994 ER -