TY - GEN AU - Lipman, Robert R C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 2018-06-01 04:06:00 DO - https://doi.org/10.6028/NIST.AMS.200-6 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 2018 TI - STEP file analyzer and viewer user guide (update 5): ER -