BEGIN:VCARD
VERSION:4.0
PRODID:-//company contact export Version 1//EN
REV:2026-06-25 23:12:08
TZ:+0000
FN:mathematik-sek1 
N:;mathematik-sek1
KIND:individual
TEL;TYPE=WORK,VOICE:
TEL;TYPE=HOME,VOICE:
NOTE:Räffelstrasse 32 8045 Zürich info@mathematik-sek1.ch
END:VCARD