@misc{indiciae5781aef0d46c,
  title = {Preparing for old age: necessity, possibilities, contents, limits.},
  author = {S Eitner and A Eitner and U J Schmidt},
  year = {1978},
  url = {https://pubmed.ncbi.nlm.nih.gov/706444/},
  note = {Source identifier: 706444}
}