BEGIN:VCALENDAR VERSION:2.0 PRODID:www.tlu.ee X-PUBLISHED-TTL:P1W BEGIN:VEVENT UID:68716575e41ab DTSTART:20210202T090000Z SEQUENCE:0 TRANSP:OPAQUE DTEND:20210202T120000Z SUMMARY:Helen Poska from the School of Natural Sciences and Health will d efend the doctoral thesis CLASS:PUBLIC DTSTAMP:20250711T222645Z END:VEVENT END:VCALENDAR