BEGIN:VCALENDAR VERSION:2.0 PRODID:www.tlu.ee X-PUBLISHED-TTL:P1W BEGIN:VEVENT UID:686fd9ec29cd3 DTSTART:20090514T120000Z SEQUENCE:0 TRANSP:OPAQUE DTEND:20090514T120000Z SUMMARY:Rahvusvaheline matemaatika didaktika konverents CLASS:PUBLIC DTSTAMP:20250710T181908Z END:VEVENT END:VCALENDAR