@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}, }