BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20071121T000000Z DTEND:20071121T000000Z SUMMARY:Tilden Lecture: New opportunities for structure determination of molecular solids from powder X-ray diffraction data starts on the 21st November 2007 LOCATION:Dept of 91AV, University of Aberdeen,Aberdeen,United Kingdom END:VEVENT END:VCALENDAR