@misc{indiciae3339f2283e8e,
  title = {[Sitting problems and the "vacumn-form fixation"].},
  author = {F H Germans and M W Koster and H H Kwee and N van der Mey and R Soerjanto},
  year = {1974},
  url = {https://pubmed.ncbi.nlm.nih.gov/4820732/},
  note = {Source identifier: 4820732}
}