@misc{indiciae71a6972e3161,
  title = {Genesis of a regionally widespread celadonitic chert ironstone bed overlying upper Lias manganese deposits, Hungary},
  author = {Marta Polgari and J.R. Hein and M. Toth and A. Brukner-Wein and T. Vigh and L. Biro and C. Cserhati},
  year = {2010},
  doi = {10.1144/0016-76492008-132},
  url = {https://pubs.usgs.gov/publication/70037320},
  note = {Source identifier: 70037320}
}