@misc{indiciae1ee0bb7a4627,
  title = {A contribution to the Ny a problem.},
  author = {L Schimmack and I Müller and L Kornstad},
  year = {1971},
  doi = {10.1159/000152424},
  url = {https://pubmed.ncbi.nlm.nih.gov/5145709/},
  note = {Source identifier: 5145709}
}