@misc{indiciaef995d2f9bcfd,
  title = {Directed waves in random media.},
  author = {E Medina and M Kardar and H Spohn},
  year = {1991},
  doi = {10.1103/physrevlett.66.2176},
  url = {https://pubmed.ncbi.nlm.nih.gov/10043413/},
  note = {Source identifier: 10043413}
}