%% You should probably cite draft-ietf-sip-ipv6-abnf-fix instead of this I-D. @techreport{gurbani-sip-ipv6-abnf-fix-00, number = {draft-gurbani-sip-ipv6-abnf-fix-00}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-gurbani-sip-ipv6-abnf-fix/00/}, author = {Vijay K. Gurbani and Brian E. Carpenter}, title = {{Essential correction for IPv6 ABNF in RFC3261}}, pagetotal = 7, year = 2007, month = nov, day = 7, abstract = {This memo corrects the Augmented Backus-Naur Form (ABNF) production rule associated with generating IPv6 literals in RFC3261}, }