Resources for the print article.
The iCalendar module for Python is available from www.mxm.dk/products/public/ical/downloads.
You can download the latest build of the Mozilla calendar extension, or of the Sunbird standalone application, from www.mozilla.org/projects/calendar/download.html.
The RFC for iCalendar is available at www.ietf.org/rfc/rfc2445.txt.
Max M: www.maxm.dk