TY - RPRT TI - Stable implementation agreements for open systems interconnection protocols Version 5 Edition 1 December 1991 AU - Borland, Tim PY - 1992 PB - National Institute of Standards and Technology CY - Gaithersburg, MD SN - NIST SP 500-202p2 DO - 10.6028/NIST.SP.500-202p2 ER -