Computerspiel und Internetsucht im Kindes- und Jugendalter. - Kai W. Müller; Klaus Wölfling (LOG IN, 2010)

Regular and Problematic Leisure-Time Internet Use in the Community: Results from a German Population-Based Survey. - Manfred E. Beutel; Elmar Brähler; Heide Glaesmer; Daria J. Kuss; Klaus Wölfling; Kai W. Müller (Cyberpsychology Behav. Soc. Netw., 2011)

Prevalence of internet addiction in the general population: results from a German population-based survey. - Kai W. Müller; Heide Glaesmer; Elmar Brähler; Klaus Wölfling; Manfred E. Beutel (Behav. Inf. Technol., 2014)

Personality and video gaming: Comparing regular gamers, non-gamers, and gaming addicts and differentiating between game genres. - Beate Braun; Juliane M. Stopfer; Kai W. Müller; Manfred E. Beutel; Boris Egloff (Comput. Hum. Behav., 2016)

A hidden type of internet addiction? Intense and addictive use of social networking sites in adolescents. - Kai W. Müller; Michael Dreier; Manfred E. Beutel; E. Duven; S. Giralt; Klaus Wölfling (Comput. Hum. Behav., 2016)

Permanently online and permanently procrastinating? The mediating role of Internet use for the effects of trait procrastination on psychological health and well-being. - Leonard Reinecke; Adrian Meier; Stefan Aufenanger; Manfred E. Beutel; Michael Dreier; Oliver Quiring; Birgit Stark; Klaus Wölfling; Kai W. Müller (New Media Soc., 2018)