@misc{indiciae41c698a5e2dd,
  title = {New U-Pb zircon ages and the duration and division of Devonian time},
  author = {R. D. Tucker and D. C. Bradley and C. A. Ver Straeten and A. G. Harris and J.R. Ebert and S.R. McCutcheon},
  year = {1998},
  doi = {10.1016/s0012-821x(98)00050-8},
  url = {https://pubs.usgs.gov/publication/70020447},
  note = {Source identifier: 70020447}
}