BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20250307T000000Z DTEND:20250307T000000Z SUMMARY:European Congress on Nanomaterials: Early bird registration deadline due before 7th March 2025 LOCATION:Candia Hotel,Athens,Greece END:VEVENT END:VCALENDAR