TY  - RPRT
TI  - Test functions for three-dimensional control-volume mixed finite-element methods on irregular grids
AU  - R.L. Naff
AU  - T.F. Russell
AU  - J. D. Wilson
PY  - 2000
UR  - https://pubs.usgs.gov/publication/70023168
ID  - 70023168
ER  -