Wenzel, Stefan and Faisst, Wolfgang and Burkard, Christoph and Buxmann, Peter (2012):
New Sales and Buying Models in the Internet: App Store Model for Enterprise Application Software.
MKWI 2012 Proceedings, Braunschweig, 29.2.-2.3. 2012, [Conference or Workshop Item]

Burkard, Christoph and Widjaja, Thomas and Buxmann, Peter (2012):
Software Ecosystems.
In: WIRTSCHAFTSINFORMATIK / BISE, [Article]

Hilkert, Daniel and Burkard, Christoph and Widjaja, Thomas and Hess, Thomas and Buxmann, Peter Verclas, Stephan and Linnhoff-Popien, Claudia (eds.) (2012):
Smart Mobile Apps.
In: Smart Mobile Apps, pp. 495-506, Berlin, Heidelberg, Springer, ISBN 978-3642222580,
[Book Section]

Burkard, Christoph and Draisbach, Tobias and Widjaja, Thomas and Buxmann, Peter (2011):
Software Ecosystems: Vendor-Sided Characteristics of Online Marketplaces.
In: Lecture Notes in Informatics - Informatik 2011, [Conference or Workshop Item]