@misc{indiciae55543fdb3ca0,
  title = {Titanium deposits in alkalic igneous rocks},
  author = {Norman Herz},
  year = {1975},
  doi = {10.3133/ofr7535},
  url = {https://pubs.usgs.gov/publication/ofr7535},
  note = {Source identifier: ofr7535}
}