Internet Protokolle der nächsten Generation. - Rudolf Brandner (HMD Prax. Wirtsch., 1999)

IANA Registration for Enumservice 'web' and 'ft'. - Rudolf Brandner; Lawrence Conroy; Richard Stastny (RFC, 2005)

IANA Registration for Enumservices email, fax, mms, ems, and sms. - Rudolf Brandner; Lawrence Conroy; Richard Stastny (RFC, 2006)

IANA Registration for Enumservice Voice. - Rudolf Brandner; Lawrence Conroy; Richard Stastny (RFC, 2006)