BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20191129T000000Z DTEND:20191129T000000Z SUMMARY:The 4th Materials 91AV Frontiers International Symposium : Standard registration deadline due before 29th November 2019 LOCATION:Rebecca Crown Center, Northwestern University – Evanston, US,Illinois,United States END:VEVENT END:VCALENDAR