%% You should probably cite rfc9073 instead of this I-D. @techreport{ietf-calext-eventpub-extensions-09, number = {draft-ietf-calext-eventpub-extensions-09}, 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-calext-eventpub-extensions/09/}, author = {Michael Douglass}, title = {{Event Publishing Extensions to iCalendar}}, pagetotal = 32, year = 2018, month = aug, day = 31, abstract = {This specification updates {[}RFC5545{]} by introducing a number of new iCalendar properties and components which are of particular use for event publishers and in social networking. This specification also defines a new STRUCTURED-DATA property for iCalendar {[}RFC5545{]} to allow for data that is directly pertinent to an event or task to be included with the calendar data.}, }