Electronic web-based auctions: theory and practice. - Eric van Heck; Otto R. Koppius; Peter H. M. Vervest (ECIS, 1998)

Degree-Preserving Forests. - Hajo Broersma; Andreas Huck; Ton Kloks; Otto R. Koppius; Dieter Kratsch; Haiko Müller; Hilde Tuinstra (MFCS, 1998)

Dimensions of Intangible Goods. - Otto R. Koppius (HICSS, 1999)

Electronic Multidimensional Auctions and the Role of Information Feedback. - Otto R. Koppius; Manoj Kumar; Eric van Heck (ECIS, 2000)

Degree-preserving trees. - Hajo Broersma; Otto R. Koppius; Hilde Tuinstra; Andreas Huck; Ton Kloks; Dieter Kratsch; Haiko Müller (Networks, 2000)

Information Technology and the Internationalization of the Firm. - Michael J. Mol; Otto R. Koppius (J. Glob. Inf. Manag., 2002)

The importance of product representation online: empirical results and implications for electronic markets. - Otto R. Koppius; Eric van Heck; Matthijs J. J. Wolters (Decis. Support Syst., 2004)

Emerging multiple issue e-auctions. - Jeffrey E. Teich; Hannele Wallenius; Jyrki Wallenius; Otto R. Koppius (Eur. J. Oper. Res., 2004)

Why are customers coming back to buy their airline tickets online? theoretical explanations and empirical evidence. - Otto R. Koppius; Wouter Speelman; Oliver Stulp; Bart Verhoef; Eric van Heck (ICEC, 2005)

Portfolios of Exchange Relationships: An Empirical Investigation at an Online IT Marketplace for Small Firms. - Uladzimir Radkevitch; Eric van Heck; Otto R. Koppius (ICIS, 2006)

Implementing packaged enterprise software in multi-site firms: intensification of organizing and learning. - Paul C. van Fenema; Otto R. Koppius; Peter J. van Baalen (Eur. J. Inf. Syst., 2007)

Portfolios of buyer-supplier exchange relationships in an online marketplace for IT services. - Uladzimir Radkevitch; Eric van Heck; Otto R. Koppius (Decis. Support Syst., 2009)

The Value of Online Product Buzz in Sales Forecasting. - Peter v. d. Reijden; Otto R. Koppius (ICIS, 2010)

Predictive Analytics in Information Systems Research. - Galit Shmueli; Otto R. Koppius (MIS Q., 2011)