TY - RPRT TI - Reference architecture for machine control systems integration: interim report AU - Michaloski, John AU - Quintero, Richard AU - Ray, Steven R AU - Rippey, William G AU - Wallace, Sarah PY - 1994 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST IR 5517 DO - 10.6028/NIST.IR.5517 ER -