TY  - RPRT
TI  - User's guide for the PHIGS Validation Tests (version 2.1) 
AU  - Wang, Qiming
PY  - 1994
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 5398
DO  - 10.6028/NIST.IR.5398
ER  -