BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20190920T000000Z DTEND:20190920T000000Z SUMMARY:European Graphene Forum 2019: Conference Registration deadline due before 20th September 2019 LOCATION:InterContinental Lisbon Hotel,Lisbon,Portugal END:VEVENT END:VCALENDAR