@misc{indiciaea172c7f24c05,
  title = {Test functions for three-dimensional control-volume mixed finite-element methods on irregular grids},
  author = {R.L. Naff and T.F. Russell and J. D. Wilson},
  year = {2000},
  url = {https://pubs.usgs.gov/publication/70023168},
  note = {Source identifier: 70023168}
}