@misc{indiciae70def7967f56,
  title = {Ripples in a galactic pond.},
  author = {Françoise Combes},
  year = {2005},
  doi = {10.1038/scientificamerican1005-42},
  url = {https://pubmed.ncbi.nlm.nih.gov/16196252/},
  note = {Source identifier: 16196252}
}