@misc{indiciae8151d595af17,
  title = {Polypropylene loops: a research report.},
  author = {C Tietze},
  year = {1971},
  doi = {10.1007/978-1-4612-4702-9\_4},
  url = {https://pubmed.ncbi.nlm.nih.gov/5113343/},
  note = {Source identifier: 5113343}
}