@misc{indiciaeefc3f9ad7f83,
  title = {Unsteady density-current equations for highly curved terrain},
  author = {Sivakumaran, N. S. and Dressler, R. F.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19900025026},
  note = {Source identifier: 19900025026}
}