@misc{indiciae2e0780c459a3,
  title = {Least-squares refinement of powder diffraction data for unit cell parameters: Program listing for DEC 10 computer},
  author = {George Van Trump and Phoebe L. Hauff},
  year = {1978},
  doi = {10.3133/ofr78431},
  url = {https://pubs.usgs.gov/publication/ofr78431},
  note = {Source identifier: ofr78431}
}