@misc{205841,
  author = {Thomas Siewert and D Vigliotti and L Dirling and Christopher McCowan},
  title = {Performance Verification of Impact Machines for Testing Plastics},
  year = {1999},
  number = {104 No. 6},
  month = {1999-12-01},
  publisher = {Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=851140},
  language = {en},
}