@misc{indiciaee13a653af698,
  title = {Problems in fitting a cosine curve.},
  author = {R Hildebrand and I Haubitz and M Schultz},
  year = {1984},
  doi = {10.3109/07420528409059124},
  url = {https://pubmed.ncbi.nlm.nih.gov/6600023/},
  note = {Source identifier: 6600023}
}