@misc{indiciaefc11f153cf8e,
  title = {Two-needle calculation of recirculation compared with the standard three-needle method.},
  author = {J A Pederson and R Dunlay and C Williams and F Llach},
  year = {1990},
  url = {https://pubmed.ncbi.nlm.nih.gov/2350908/},
  note = {Source identifier: 2350908}
}