@misc{indiciae806f45aafd3f,
  title = {The iron and associated industries of Lorraine, the Saare district, Luxemburg, and Belgium},
  author = {Alfred H. Brooks and Morris F. La Croix},
  year = {1920},
  doi = {10.3133/b703},
  url = {https://pubs.usgs.gov/publication/b703},
  note = {Source identifier: b703}
}