@misc{indiciae2b5f561e9f29,
  title = {[Interrelationship of motivation and barriers in the learning process in old age (author's transl)].},
  author = {E Quadt},
  year = {1977},
  url = {https://pubmed.ncbi.nlm.nih.gov/20796/},
  note = {Source identifier: 20796}
}