@misc{indiciae0e9feddb01a1, title = {In situ calibration of a high-resolution gamma-ray borehole sonde for assaying uranium-bearing sandstone deposits}, author = {J.H. Day}, year = {1985}, doi = {10.1016/0168-9002(85)90830-7}, url = {https://pubs.usgs.gov/publication/70013200}, note = {Source identifier: 70013200} }