[STD19]    Internet Standard 19,
              <https://www.rfc-editor.org/info/std19>.
              At the time of writing, this STD comprises the following:

              NetBIOS Working Group in the Defense Advanced Research
              Projects Agency, IAB, and End-to-End Services Task Force,
              "Protocol standard for a NetBIOS service on a TCP/UDP
              transport: Concepts and methods", STD 19, RFC 1001,
              DOI 10.17487/RFC1001, March 1987,
              <https://www.rfc-editor.org/info/rfc1001>.

              NetBIOS Working Group in the Defense Advanced Research
              Projects Agency, IAB, and End-to-End Services Task Force,
              "Protocol standard for a NetBIOS service on a TCP/UDP
              transport: Detailed specifications", STD 19, RFC 1002,
              DOI 10.17487/RFC1002, March 1987,
              <https://www.rfc-editor.org/info/rfc1002>.