@misc{indiciae14bec125022c, title = {Evaluation of unsaturated zone air permeability through pneumatic tests}, author = {Arthur L. Baehr and Marc F. Hult}, year = {2008}, doi = {10.1029/91wr01655}, url = {https://pubs.usgs.gov/publication/70170332}, note = {Source identifier: 70170332} }