BEGIN:VCALENDAR VERSION:2.0 PRODID:-//TYPO3/NONSGML News system (news)//EN BEGIN:VEVENT UID: news-69422@en.pharm.uoa.gr DTSTAMP:20250306T174818Z DTSTART:20250307T164200 SUMMARY:ΔΙΑΛΕΞΗ Sten Ternström (Professor KTH, Stockholm): “Acoustics of Choir Singing” END:VEVENT END:VCALENDAR