@misc{indiciaecf19ab68c7f1,
  title = {Electron microprobe evaluation of terrestrial basalts for whole-rock K-Ar dating},
  author = {E. A. Mankinen and G. Brent Dalrymple},
  year = {1972},
  doi = {10.1016/0012-821x(72)90262-2},
  url = {https://pubs.usgs.gov/publication/70010282},
  note = {Source identifier: 70010282}
}