@misc{indiciae2ea452bd1f8c,
  title = {The edge of time: Dating young volcanic ash layers with the 40Ar- 39Ar laser probe},
  author = {Y. Chen and P. E. Smith and N.M. Evensen and D. York and K. R. Lajoie},
  year = {1996},
  doi = {10.1126/science.274.5290.1176},
  url = {https://pubs.usgs.gov/publication/70018156},
  note = {Source identifier: 70018156}
}