@misc{indiciaebc943decbe4f,
  title = {Multigrid methods for flow transition in three-dimensional boundary layers with surface roughness},
  author = {Liu, Chaoqun and Liu, Zhining and Mccormick, Steve},
  year = {1993},
  url = {https://ntrs.nasa.gov/citations/19940014370},
  note = {Source identifier: 19940014370}
}