AXD 301: A new generation ATM switching system. - Staffan Blau; Jan Rooth; Jörgen Axell; Fiffi Hellstrand; Magnus Buhrgard; Tommy Westin; Göran Wicklund (Comput. Networks, 1999)

IANA Registration of New Session Initiation Protocol (SIP) Resource-Priority Namespace for Mission Critical Push To Talk Service. - Christer Holmberg; Jörgen Axell (RFC, 2017)