TY - GEN AU - Thomas Kramer C2 - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD DA - 1991-06-01 DO - https://doi.org/10.6028/NIST.IR.4577 LA - en PB - NIST Interagency/Internal Report (NISTIR), National Institute of Standards and Technology, Gaithersburg, MD PY - 1991 TI - Extracting STEP Geometry and Topology from a Solid Modeler: Parasolid-to-STEP ER -