BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20210629T000000Z DTEND:20210630T000000Z SUMMARY:4th International Conference on Applied Surface Science starts on the 29th June 2021 09:00 LOCATION:Online,Online,United Kingdom END:VEVENT END:VCALENDAR