@misc{rfc6991,
    series =    {Request for Comments},
    number =    6991,
    howpublished =  {RFC 6991},
    publisher = {RFC Editor},
    doi =       {10.17487/RFC6991},
    url =       {https://www.rfc-editor.org/info/rfc6991},
    author =    {Jürgen Schönwälder},
    title =     {{Common YANG Data Types}},
    pagetotal = 30,
    year =      2013,
    month =     jul,
    abstract =  {This document introduces a collection of common data types to be used with the YANG data modeling language. This document obsoletes RFC 6021.},
}