%% You should probably cite rfc3297 instead of this I-D. @techreport{ietf-fax-content-negotiation-05, number = {draft-ietf-fax-content-negotiation-05}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-fax-content-negotiation/05/}, author = {Ryuji IWAZAKI and Dave Crocker and Graham Klyne}, title = {{Content Negotiation for Messaging Services based on Email}}, pagetotal = 46, year = 2001, month = jun, day = 12, abstract = {This memo describes a content negotiation mechanism for facsimile, voice and other messaging services that use Internet email. {[}STANDARDS-TRACK{]}}, }