@misc{indiciae6e60c49cf2dc,
  title = {Primary protodolomite in echinoid skeletons},
  author = {Johannes H. Schroeder and Edward J. Dwornik and J. J. Papike},
  year = {1969},
  doi = {10.1130/0016-7606(1969)80[1613:ppies]2.0.co;2},
  url = {https://pubs.usgs.gov/publication/70225062},
  note = {Source identifier: 70225062}
}