@misc{indiciae649d228bb2ff, title = {Basalt-flow imaging using a high-resolution directional borehole radar}, author = {C.W. Moulton and D.L. Wright and S.R. Hutton and D.V.G. Smith and J.D. Abraham}, year = {2002}, doi = {10.1117/12.462208}, url = {https://pubs.usgs.gov/publication/70025061}, note = {Source identifier: 70025061} }