TY  - RPRT
TI  - An investigation of the source of air Ar contamination in K-Ar dating
AU  - A. E. Mussett
AU  - G. Brent Dalrymple
PY  - 1968
DO  - 10.1016/0012-821x(68)90016-2
UR  - https://pubs.usgs.gov/publication/70009855
ID  - 70009855
ER  -