@misc{indiciae620b32ae97b9,
  title = {A porous silica rock ("tripoli") in the footwall of the Jurassic Úrkút manganese deposit, Hungary: composition, and origin through carbonate dissolution},
  author = {Marta Polgari and Zoltan Szabo and Magda Szabo-Drubina and James R. Hein and Hsueh-Wen Yeh},
  year = {2005},
  doi = {10.1016/j.sedgeo.2005.02.002},
  url = {https://pubs.usgs.gov/publication/70029503},
  note = {Source identifier: 70029503}
}