@misc{indiciaec27f33353d61,
  title = {Palynology and age of some Cretaceous nonmarine deposits in Mongolia and China},
  author = {D. J. Nichols and M. Matsukawa and M. Ito},
  year = {2006},
  doi = {10.1016/j.cretres.2005.11.004},
  url = {https://pubs.usgs.gov/publication/70030461},
  note = {Source identifier: 70030461}
}