@misc{rfc4991,
    series =    {Request for Comments},
    number =    4991,
    howpublished =  {RFC 4991},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC4991},
    url =       {https://www.rfc-editor.org/info/rfc4991},
    author =    {Andy Newton},
    title =     {{A Common Schema for Internet Registry Information Service Transfer Protocols}},
    pagetotal = 13,
    year =      2007,
    month =     aug,
    abstract =  {This document describes an XML Schema for use by Internet Registry Information Service (IRIS) application transfer protocols that share common characteristics. It describes common information about the transfer protocol, such as version, supported extensions, and supported security mechanisms. {[}STANDARDS-TRACK{]}},
}