%% You should probably cite rfc1356 instead of this I-D.
@techreport{ietf-iplpdn-x25_isdn-03,
    number =    {draft-ietf-iplpdn-x25_isdn-03},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-iplpdn-x25_isdn/03/},
    author =    {},
    title =     {{Multiprotocol Interconnect on X.25 and ISDN in the Packet Mode}},
    pagetotal = 14,
    year =      1992,
    month =     mar,
    day =       5,
    abstract =  {This document specifies the encapsulation of IP and other network layer protocols over X.25 networks, in accordance and alignment with ISO/IEC and CCITT standards. It is a replacement for RFC 877, "A Standard for the Transmission of IP Datagrams Over Public Data Networks" {[}1{]}. {[}STANDARDS-TRACK{]}},
}