TY  - RPRT
TI  - Evaluation of unsaturated zone air permeability through pneumatic tests
AU  - Arthur L. Baehr
AU  - Marc F. Hult
PY  - 2008
DO  - 10.1029/91wr01655
UR  - https://pubs.usgs.gov/publication/70170332
ID  - 70170332
ER  -