AGOF mobile facts 2013-II
AGOF internet facts 2014-07
AGOF internet facts 2010-I
AGOF internet facts 2014-06
Kontaktqualität Online Video und TV
Regionale Nutzung von Social Networks in Deutschland
AGOF internet facts 2011-03
AGOF internet facts 2013-05
AGOF internet facts 2013-07
AGOF internet facts 2013-04
AGOF internet facts 2013-06
AGOF internet facts 2010-IV
AGOF internet facts 2011-01
AGOF internet facts 2010-III
AGOF internet facts 2011-02
AGOF internet facts 2014-03
AGOF internet facts 2011-09 english version
AGOF internet facts 2011-11 english version
AGOF internet facts 2011-12 english version
AGOF internet facts 2012-10 english version