TY - GEN AU - Barkmeyer, Ed AU - Ray, Steven AU - Wallace, Evan K C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1993-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.IR.5272 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1993 TI - Control entity interface specification: ER -