BEGIN:VCALENDAR VERSION:2.0 PRODID:-//hacksw/handcal//NONSGML v1.0//EN TZ:+00 BEGIN:VEVENT DTSTART:20221202T000000Z DTEND:20221202T000000Z SUMMARY:PBSi 2023 : International Conference On Phosphorus, Boron and Silicon: Regular submission deadline due before 2nd December 2022 LOCATION:Freie Universität Berlin,Berlin,Germany END:VEVENT END:VCALENDAR