BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20191122T000000Z DTEND:20191122T000000Z SUMMARY:World Summit on Materials Science and Nanotechnology: Early bird registration deadline due before 22nd November 2019 LOCATION:Hotel Crowne Plaza Madrid Airport,Madrid,Spain END:VEVENT END:VCALENDAR