@misc{indiciaedbced442da68,
  title = {Pattern formation: Instabilities in sand ripples.},
  author = {J L Hansen and M van Hecke and A Haaning and C Ellegaard and K H Andersen and T Bohr and T Sams},
  year = {2001},
  doi = {10.1038/35066631},
  url = {https://pubmed.ncbi.nlm.nih.gov/11268196/},
  note = {Source identifier: 11268196}
}