@misc{indiciae50b4db90e57d,
  title = {An investigation of the source of air Ar contamination in K-Ar dating},
  author = {A. E. Mussett and G. Brent Dalrymple},
  year = {1968},
  doi = {10.1016/0012-821x(68)90016-2},
  url = {https://pubs.usgs.gov/publication/70009855},
  note = {Source identifier: 70009855}
}