Error prevention in online forms: Use color instead of asterisks to mark required-fields. - Stefan L. Pauwels; Christian Hübscher; Stefan Leuthold; Javier A. Bargas-Avila; Klaus Opwis (Interact. Comput., 2009)

Building an interaction design pattern language: A case study. - Stefan L. Pauwels; Christian Hübscher; Javier A. Bargas-Avila; Klaus Opwis (Comput. Hum. Behav., 2010)

Mental models for web objects: Where do users expect to find the most frequent objects in online shops, news portals, and company web pages? - Sandra P. Roth; Peter Schmutz; Stefan L. Pauwels; Javier A. Bargas-Avila; Klaus Opwis (Interact. Comput., 2010)

The organization of interaction design pattern languages alongside the design process. - Christian Hübscher; Stefan L. Pauwels; Sandra P. Roth; Javier A. Bargas-Avila; Klaus Opwis (Interact. Comput., 2011)