Refuse to Walk on Clouds: Why Firms Still do Not Use Cloud Computing - An Empirical Study of Barriers and Enhancers. - Markus Siepermann; Arbnesh Sutaj; Patrick Luebbecke; Richard Lackes (HICSS, 2016)

Digitalisierung des inhabergeführten stationären Einzelhandels: Zur Rolle der Wahrnehmung von Wettbewerbsdruck und Kundenerwartungen. - Lars Bollweg; Richard Lackes; Markus Siepermann; Arbnesh Sutaj; Peter Weber (MKWI, 2016)

Digitalization of Local Owner operated Retail outlets: the Role of the perception of Competition and Customer Expectations. - Lars Bollweg; Richard Lackes; Markus Siepermann; Arbnesh Sutaj; Peter Weber (PACIS, 2016)

Active Contributors in Online Social Networks - An Empirical Study on German Gen Y's Facebook Usage. - Richard Lackes; Markus Siepermann; Arbnesh Stadelhoff (GECON, 2017)

Patient Acceptance of Health Cards and Health Insurance Information Systems. - Markus Siepermann; Arbnesh Stadelhoff; Richard Lackes (BIR, 2019)