TY  - RPRT
TI  - STEP file analyzer and viewer user guide (update 5) 
AU  - Lipman, Robert R
PY  - 2018
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST AMS 200-6
DO  - 10.6028/NIST.AMS.200-6
ER  -