Lobpries, Trey A.; Lapen, Thomas J. (October 2018). "Remote sensing evidence for a possible 10 kilometer in diameter impact structure in north-central Niger". Journal of African Earth Sciences. 150: 673–684. doi:10.1016/j.jafrearsci.2018.09.020. ISSN1464-343X. S2CID134091686.
Lobpries, Trey A.; Lapen, Thomas J. (October 2018). "Remote sensing evidence for a possible 10 kilometer in diameter impact structure in north-central Niger". Journal of African Earth Sciences. 150: 673–684. doi:10.1016/j.jafrearsci.2018.09.020. ISSN1464-343X. S2CID134091686.
Lobpries, Trey A.; Lapen, Thomas J. (October 2018). "Remote sensing evidence for a possible 10 kilometer in diameter impact structure in north-central Niger". Journal of African Earth Sciences. 150: 673–684. doi:10.1016/j.jafrearsci.2018.09.020. ISSN1464-343X. S2CID134091686.