@misc{indiciae4014dfb4c668, title = {The fading of fission tracks in the geologic environment- Data from deep drill holes}, author = {C. W. Naeser}, year = {1981}, doi = {10.1016/0191-278x(81)90055-x}, url = {https://pubs.usgs.gov/publication/70012094}, note = {Source identifier: 70012094} }