Akzeptanz mobiler Bezahlungsverfahren in Deutschland. - Darius Khodawandi; Key Pousttchi; Dietmar G. Wiedemann (Workshop Mobile Commerce, 2003)

Payment Procedures for Electronic Government Services. - Key Pousttchi; Dietmar G. Wiedemann (ECEG, 2005)

Security issues in mobile payment from the customer viewpoint. - Kathrin Linck; Key Pousttchi; Dietmar G. Wiedemann (ECIS, 2006)

A Contribution to Theory Building for Mobile Marketing: Categorizing Mobile Marketing Campaigns through Case Study Research. - Key Pousttchi; Dietmar G. Wiedemann (ICMB, 2006)

Analyzing the Elements of the Business Model for Mobile Payment Service Provision. - Key Pousttchi; Max Schiessler; Dietmar G. Wiedemann (ICMB, 2007)

Success Factors in Mobile Viral Marketing: A Multi-Case Study Approach. - Key Pousttchi; Dietmar G. Wiedemann (ICMB, 2007)

Exploring the Concept of Mobile Viral Marketing through Case Study Research. - Dietmar G. Wiedemann (MMS, 2007)

Einflussfaktoren auf das Empfehlungsverhalten im Mobile Viral Marketing: Ein Grounded-Theory-Ansatz. - Wolfgang Palka; Key Pousttchi; Bernd Vollmayr; Dietmar G. Wiedemann (MMS, 2008)

Ausgestaltung mobiler Bezahlverfahren - Ergebnisse der Studie MP3. - Dietmar G. Wiedemann; Laura Goeke; Key Pousttchi (MMS, 2008)

Proposing a comprehensive framework for analysis and engineering of mobile payment business models. - Key Pousttchi; Max Schiessler; Dietmar G. Wiedemann (Inf. Syst. E Bus. Manag., 2009)

Mobile word-of-mouth - A grounded theory of mobile viral marketing. - Wolfgang Palka; Key Pousttchi; Dietmar G. Wiedemann (J. Inf. Technol., 2009)

Wie funktioniert Mobile Viral Marketing? Eine Data-Mining-Analyse des Empfehlungsverhaltens bei mobilen Diensten. - Andreas Krisor; Wolfgang Palka; Dietmar G. Wiedemann (MMS, 2010)

Organizational Determinants of Corporate IaaS Usage. - Dietmar G. Wiedemann; Jörg Strebel (CEC, 2011)