@misc{indiciaebe7e3e9acbc5,
  title = {A long wave approximation to peristaltic motion},
  author = {Ostrach, S. and Zien, T.-F.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700043131},
  note = {Source identifier: 19700043131}
}