@misc{indiciae2184a1c32ca8,
  title = {Documentation and user's guide to the USGS oilspill risk analysis model: oilspill trajectories and calculation of conditional probabilities},
  author = {Kenneth J. Lanfear and William B. Samuels},
  year = {1981},
  doi = {10.3133/ofr81316},
  url = {https://pubs.usgs.gov/publication/ofr81316},
  note = {Source identifier: ofr81316}
}