@misc{1170566,
  author = {H H Chandler and N W Rupp and G C Paffenbarger},
  title = {Poor mercury hygiene from ultrasonic amalgam condensation ::progress report},
  year = {1970},
  month = {1970-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NBS.RPT.10377},
  language = {en},
}