TY  - RPRT
TI  - Fission-track and K-Ar ages of natural glasses
AU  - Charles W. Naeser
AU  - Glen Arthur Izett
AU  - John D. Obradovich
PY  - 1980
DO  - 10.3133/b1489
UR  - https://pubs.usgs.gov/publication/b1489
ID  - b1489
ER  -