BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20160520T000000Z DTEND:20160520T000000Z SUMMARY:20 Int. Krutyn Summer School 2016: Advanced Perovskite, Hybrid and Thin-film Photovoltaics: Oral abstract deadline due before 20th May 2016 LOCATION:MAZUR-SYRENKA Conference Complex,Piecki,Poland END:VEVENT END:VCALENDAR