Systematisierung und Beurteilung von Micropayment-Systemen aus Nachfragersicht. - Andreas Klein 005 (MCTA, 2005)

Consumers' willingness-to-pay for mobile telecommunication service bundles. - Andreas Klein 005; Nejc M. Jakopin (Telematics Informatics, 2014)

Social activity and structural centrality in online social networks. - Andreas Klein 005; Henning Ahlf; Varinder Sharma (Telematics Informatics, 2015)