BEGIN:VCALENDAR
PRODID:-//AT Content Types//AT Event//EN
VERSION:2.0
METHOD:PUBLISH
X-WR-CALNAME:Christian Schubert (Facultad de Ciencias Fisico Matematicas, UMSNH, Morelia, Messico)
X-WR-CALDESC:Pair creation in electromagnetic fields
END:VCALENDAR