BEGIN:VCALENDAR
VERSION:2.0
PRODID:-//SPG - ECPv4.0.6//NONSGML v1.0//EN
CALSCALE:GREGORIAN
METHOD:PUBLISH
X-WR-CALNAME:SPG
X-ORIGINAL-URL:https://www.spg.umk.pl
X-WR-CALDESC:Events for SPG
END:VCALENDAR