Bibliography[1] IETF RFC 2445, F. DAWSON and D. STENERSON. Internet Calendaring and Scheduling Core Object Specification (iCalendar). 1998. RFC Publisher. https://www.rfc-editor.org/info/rfc2445. [src][2] IETF RFC 3283, B. MAHONEY, G. BABICS and A. TALER. Guide to Internet Calendaring. 2002. RFC Publisher. https://www.rfc-editor.org/info/rfc3283. [src][3] CC/R 0610, [NO INFORMATION AVAILABLE][4] Wikipedia, https://www.wikipedia.org/
[1] IETF RFC 2445, F. DAWSON and D. STENERSON. Internet Calendaring and Scheduling Core Object Specification (iCalendar). 1998. RFC Publisher. https://www.rfc-editor.org/info/rfc2445. [src]
[2] IETF RFC 3283, B. MAHONEY, G. BABICS and A. TALER. Guide to Internet Calendaring. 2002. RFC Publisher. https://www.rfc-editor.org/info/rfc3283. [src]