TY - CONF AU - Mike Pratt C2 - Proceedings of Workshop on CAD Tools for Products DA - 1996-09-01 LA - en PB - Proceedings of Workshop on CAD Tools for Products PY - 1996 TI - Extension of STEP for the Representation of Parametric and Variational Models UR - https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=821428 ER -