@misc{indiciaeb3b2ce95764f,
  title = {Method for culturing mammalian cells in a perfused bioreactor},
  author = {Schwarz, Ray P. and Wolf, David A.},
  year = {1992},
  url = {https://ntrs.nasa.gov/citations/19930000921},
  note = {Source identifier: 19930000921}
}