@misc{1147701,
  author = {Lynne S Rosenthal},
  title = {User's guide for the PHIGS validation tests (Version 2):},
  year = {1992},
  month = {1992-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.IR.4953},
  language = {en},
}