@misc{915856,
  author = {Robert R. Lipman},
  title = {STEP File Analyzer and Viewer User Guide (Update 7)},
  year = {2021},
  month = {2021-10-13 04:10:00},
  publisher = {Advanced Manufacturing Series (NIST AMS), National Institute of Standards and Technology, Gaithersburg, MD},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=933550},
  doi = {https://doi.org/10.6028/NIST.AMS.200-12},
  language = {en},
}