@misc{indiciae6b914537b9e7,
  title = {Mechanisms of hard tissue destruction; a symposium presented at the Philadelphia meeting of the American Association for the Advancement of Science, December 29 and 30, 1962 — Illustration, Page 20},
  year = {1963},
  url = {https://www.biodiversitylibrary.org/page/5854872},
  note = {Source identifier: page-5854872}
}