@misc{indiciae179c18414c5f,
  title = {[Evaluating programs for preparation to old age: some theoretical thoughts and a practical example (author's transl)].},
  author = {H D Schneider},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/20798/},
  note = {Source identifier: 20798}
}