@misc{indiciae76ceeeffae7c,
  title = {[Function-modulated window generator for videodensitometric measurements (author's transl)].},
  author = {C Callesen and R Simon and P Heintzen},
  year = {1973},
  doi = {10.1515/bmte.1973.18.4.139},
  url = {https://pubmed.ncbi.nlm.nih.gov/4800374/},
  note = {Source identifier: 4800374}
}