@misc{1196566,
  author = {John Cugini and Mary T Gunn and Lynne S Rosenthal},
  title = {PHIGS validation tests (Version 1.0):},
  year = {1990},
  month = {1990-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.SP.500-181},
  language = {en},
}