@misc{rfc1549,
    series =    {Request for Comments},
    number =    1549,
    howpublished =  {RFC 1549},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC1549},
    url =       {https://www.rfc-editor.org/info/rfc1549},
    author =    {William A. Simpson},
    title =     {{PPP in HDLC Framing}},
    pagetotal = 18,
    year =      1993,
    month =     dec,
    abstract =  {This document describes the use of HDLC for framing PPP encapsulated packets. {[}STANDARDS-TRACK{]}},
}