BEGIN:VCALENDAR PRODID:-//AT Content Types//AT Event//EN VERSION:2.0 METHOD:PUBLISH BEGIN:VEVENT DTSTAMP:20251223T054311Z CREATED:20120502T090107Z UID:ATEvent-ceb51862-f29c-4b57-88de-77dde9937e0f LAST-MODIFIED:20120502T090109Z SUMMARY:lab seminar DTSTART:20120425T193000Z DTEND:20120425T213000Z LOCATION:A-301 CLASS:PUBLIC END:VEVENT END:VCALENDAR