BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20200225T000000Z DTEND:20200225T000000Z SUMMARY:Graphene Korea 2020 International Conference: Oral abstract deadline due before 25th February 2020 LOCATION:Songdo Convensia,Incheon,South Korea END:VEVENT END:VCALENDAR