@misc{indiciae1ccb37def626,
  title = {Statistical analysis of water-quality data containing multiple detection limits II: S-language software for nonparametric distribution modeling and hypothesis testing},
  author = {L. Lee and D. Helsel},
  year = {2007},
  doi = {10.1016/j.cageo.2006.09.006},
  url = {https://pubs.usgs.gov/publication/70030209},
  note = {Source identifier: 70030209}
}