@misc{indiciaef5eef527fdad,
  title = {Zircon ages of felsic volcanic rocks in the upper Precambrian of the Blue Ridge, Appalachian mountains},
  author = {D.W. Rankin and T. W. Stern and J. C. Reed and M. F. Newell},
  year = {1969},
  doi = {10.1126/science.166.3906.741},
  url = {https://pubs.usgs.gov/publication/70010203},
  note = {Source identifier: 70010203}
}