@misc{indiciaef0b7e9080728,
  title = {Experimental introduction of excess Ar40 into a granitic melt},
  author = {W.S. Fyfe and M. A. Lanphere and G. B. Dalrymple},
  year = {1969},
  doi = {10.1007/bf00371532},
  url = {https://pubs.usgs.gov/publication/70001728},
  note = {Source identifier: 70001728}
}