@misc{indiciaee46bf999fe5f,
  title = {Filterability of L-forms.},
  author = {R Z Darwish and W C Watson and M R Belsheim and P M Hill},
  year = {1987},
  url = {https://pubmed.ncbi.nlm.nih.gov/3100709/},
  note = {Source identifier: 3100709}
}