@misc{indiciae7619a2b32ea1,
  title = {Comparison of fission-track, K-Ar, and Rb-Sr radiometric age determinations from some granite plutons in Maine},
  author = {C. W. Naeser and D. G. Brookins},
  year = {1975},
  url = {https://pubs.usgs.gov/publication/70164432},
  note = {Source identifier: 70164432}
}