Token ring access method and physical layer specifications
sponsor, Technical Committee Computer Communications of the IEEE Computer Society
(Information technology : local and metropolitan area networks, part 5)
Institute of Electrical and Electronics Engineers, c1992
ISO/IEC 8802-5:1992(IEEE Std 802.5-1992) token ring
"Approved March 19, 1992, IEEE Standards Board"
Institute of Electrical and Electronics Engineers 19--