@misc{indiciaeacd227518836,
  title = {Data of rock analyses—I. African periodical and serial literature},
  author = {Marjorie Hooker},
  year = {1956},
  doi = {10.1016/0016-7037(56)90059-x},
  url = {https://pubs.usgs.gov/publication/70216226},
  note = {Source identifier: 70216226}
}