@misc{indiciae5ed64c8826c7,
  title = {Background facts and issues concerning cement and cement data},
  author = {Hendrik G. van Oss},
  year = {2005},
  doi = {10.3133/ofr20051152},
  url = {https://pubs.usgs.gov/publication/ofr20051152},
  note = {Source identifier: ofr20051152}
}