@misc{indiciaecdbede3cefa8,
  title = {Estimates of electricity requirements for the recovery of mineral commodities, with examples applied to sub-Saharan Africa},
  author = {Donald I. Bleiwas},
  year = {2011},
  doi = {10.3133/ofr20111253},
  url = {https://pubs.usgs.gov/publication/ofr20111253},
  note = {Source identifier: ofr20111253}
}