@misc{indiciae1880d97ce034,
  title = {Adaptive nonlinear least-squares solution for constrained or unconstrained minimization problems (subprogram NLSOL)},
  author = {W.L. Anderson},
  year = {1982},
  doi = {10.3133/ofr8268},
  url = {https://pubs.usgs.gov/publication/ofr8268},
  note = {Source identifier: ofr8268}
}