TY - GEN AU - William F Danner AU - David T Sanford AU - Yuhwei Yang C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1991-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.IR.4528 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1991 TI - STEP (Standard for the Exchange of Product Model Data) resource integration::semantic & syntactic rules ER -