TY - GEN AU - Wayne J Davis AU - Albert T Jones C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1989-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.IR.88-3744 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1989 TI - Hierarchies for computer-integrated manufacturing ::a functional description ER -