@misc{indiciae13bfb74f2721,
  title = {[Automatic time and code projector for the Retinophot model 211].},
  author = {W Marcinkiewicz and S Mrzygłód and J Szeremieta},
  year = {1986},
  url = {https://pubmed.ncbi.nlm.nih.gov/3784430/},
  note = {Source identifier: 3784430}
}