BEGIN:VCALENDAR VERSION:2.0 PRODID:www.tlu.ee X-PUBLISHED-TTL:P1W BEGIN:VEVENT UID:6886ccb17ffd7 DTSTART:20090514T120000Z SEQUENCE:0 TRANSP:OPAQUE DTEND:20090514T120000Z SUMMARY:Rahvusvaheline matemaatika didaktika konverents CLASS:PUBLIC DTSTAMP:20250728T040449Z END:VEVENT END:VCALENDAR