TY  - RPRT
TI  - Documentation of AIR2D, a computer program to simulate two-dimensional axisymmetric air flow in the unsaturated zone
AU  - C.J. Joss
AU  - A. L. Baehr
PY  - 1997
DO  - 10.3133/ofr97588
UR  - https://pubs.usgs.gov/publication/ofr97588
ID  - ofr97588
ER  -