Peter Weibel (introduction), Harald Gutzelnig (author), M Derbort (author), J Entenebner (author), H Gutzelnig (author), Clemens Hüffel (editor), Anton Reiter (editor), Alexander Feiglstorfer (Illustrator), Handbuch neue Medien, CDA Verlag, Perg,
Harald V of Norway | Harald Eia | Harald Hudak | Harald Bohr | Harald Schumacher | Harald Meier | Harald I | Harald Kloser | Harald Bluetooth | Harald Zwart | Harald Stormoen | Harald Penrose | Harald Moltke | Harald Helfgott | Harald Berg | Heinz-Harald Frentzen | Harald Welte | Harald Vogel | Harald Victor Hove | Harald Szeemann | Harald Schmid | Harald Prokop | Harald Nielsen | Harald Motzki | Harald Martenstein | Harald Hennum | Harald Haarmann | Harald Edelstam | Harald | Harald Tusberg |
CD Austria is an Austrian computer magazine published monthly by CDA Verlag, Perg being owned by Harald Gutzelnig since 1995.