BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20230730T000000Z DTEND:20230730T000000Z SUMMARY:Flatlands beyond Graphene 2023 : Poster abstract deadline due before 30th July 2023 LOCATION:The Congress & Wellness Hotel Ol拧anka,Prague,Czech Republic END:VEVENT END:VCALENDAR