TY  - RPRT
TI  - STEP file analyzer and viewer user guide (update 7) 
AU  - Lipman, Robert R
AU  - Kwon, Soonjo
PY  - 2021
PB  - National Institute of Standards and Technology (U.S.)
CY  - Gaithersburg, MD
SN  - NIST AMS 200-12
DO  - 10.6028/NIST.AMS.200-12
ER  -