TY - RPRT TI - Information models for product representation : core and assembly models AU - Rachuri, Sudarsan AU - Baysal, Mehmet AU - Roy, Utpal AU - Foufou, Sebti AU - Bock, Conrad AU - Fenves, Steven J AU - Subrahmanian, Eswaran AU - Lyons, Kevin PY - 2004 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 7173 DO - 10.6028/NIST.IR.7173 ER -