@misc{indiciae5c1f6f1c2fa3,
  title = {[Intergalactic matter].},
  author = {F ZWICKY},
  year = {1950},
  doi = {10.1007/bf02154098},
  url = {https://pubmed.ncbi.nlm.nih.gov/14802391/},
  note = {Source identifier: 14802391}
}