@misc{indiciae06cdacb0cb8c,
  title = {Microfossil assemblages from the Eocene Sylhet Limestone and Kopili Formation, Sylhet District, northeast Bangladesh},
  author = {Elisabeth M. Brouwers and M.R. Khan and Afia Akhtar},
  year = {1992},
  doi = {10.3133/ofr92191},
  url = {https://pubs.usgs.gov/publication/ofr92191},
  note = {Source identifier: ofr92191}
}