BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20210402T000000Z DTEND:20210402T000000Z SUMMARY:An Introductory Course to Three-颅Dimensional Electron Diffraction: Standard registration deadline due before 2nd April 2021 LOCATION:United Kingdom END:VEVENT END:VCALENDAR