@misc{indiciaefbe7a3bc0ce9,
  title = {USGS library for S-PLUS for Windows -- Release 4.0},
  author = {David L. Lorenz and Elizabeth A. Ahearn and Janet M. Carter and Timothy A. Cohn and Wendy J. Danchuk and Jeffrey W. Frey and Dennis R. Helsel and Kathy Lee and David C. Leeth and Jeffrey D. Martin and Virginia L. McGuire and Kathleen M. Neitzert and Dale M. Robertson and James R. Slack and J. Jeffrey Starn and Aldo V. Vecchia and Donald H. Wilkison and Joyce E. Williamson},
  year = {2011},
  doi = {10.3133/ofr20111130},
  url = {https://pubs.usgs.gov/publication/ofr20111130},
  note = {Source identifier: ofr20111130}
}