@misc{indiciaec29ee4ab54d8,
  title = {[Optimal magnification ratio for direct macroradiography studies with modulation transfer function (MTF). Studies on enlargement radiography. 37].},
  author = {Y Ayakawa and S Sakuma and H Okumura},
  year = {1967},
  url = {https://pubmed.ncbi.nlm.nih.gov/5238951/},
  note = {Source identifier: 5238951}
}