@misc{indiciae7abb5071c1c7,
  title = {Geostatistics and the representative elementary volume of gamma ray tomography attenuation in rocks cores},
  author = {J. R. Vogel and G.O. Brown},
  year = {2003},
  doi = {10.1144/gsl.sp.2003.215.01.08},
  url = {https://pubs.usgs.gov/publication/70025622},
  note = {Source identifier: 70025622}
}