TY - GEN AU - Warnar, Carol A AU - Tebbutt, John C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1996-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.IR.5819 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1996 TI - X.500 directory schema design handbook: ER -