@misc{indiciaef4d7aef2a351,
  title = {Variable continuous forces.},
  author = {G F Andreasen},
  year = {1970},
  doi = {10.1111/j.1834-7819.1970.tb00902.x},
  url = {https://pubmed.ncbi.nlm.nih.gov/5269069/},
  note = {Source identifier: 5269069}
}