TY - GEN AU - Tim Borland C2 - , National Institute of Standards and Technology, Gaithersburg, MD DA - 1991-01-01 05:01:00 DO - https://doi.org/10.6028/NIST.SP.500-183 LA - en PB - , National Institute of Standards and Technology, Gaithersburg, MD PY - 1991 TI - Stable implementation agreements for open systems interconnection protocols Version 4 Edition 1 December 1990: ER -