@misc{indiciae1e97313a4dc2,
  title = {Quadratic spline subroutine package},
  author = {Lowell A. Rasmussen},
  year = {1982},
  doi = {10.3133/wri8241},
  url = {https://pubs.usgs.gov/publication/wri8241},
  note = {Source identifier: wri8241}
}