TY - GEN AU - Barkmeyer, Edward J AU - Fowler, James E AU - Magleby, Spencer P C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1991-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.IR.4685 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1991 TI - A conceptual architecture for a mechanical parts production system based on STEP: ER -