@articleSchäfer_Müller_2008, title=Assessment of a Multimodal Interaction and Rendering System against Established Design Principles, volume=2, DOI=10.1007/s12193-008-0003-3, number=1, journal=Journal on Multimodal User Interfaces, publisher=Springer-Verlag, author=Schäfer, Robbie and Müller, Wolfgang, year=2008, pages=25–41 

@articleDanne_Mühlenbernd_Platzner_2007, title=Server-based execution of periodic tasks on dynamically reconfigurable hardware, volume=1, DOI=10.1049/iet-cdt:20060186, number=4, journal=IET Computers Digital Techniques, author=Danne, Klaus and Mühlenbernd, Roland and Platzner, Marco, year=2007, pages=295–302 

@inproceedingsSchäfer_Müller_Marin-López_Díaz-Sánchez_2007, place=Singapore, title=Device Independent User Interfaces for Smart Cards, booktitle=Proceedings of the 9th International Conference on Human Computer Interaction with Mobile Devices and Services (MobileH), author=Schäfer, Robbie and Müller, Wolfgang and Marin-López, Andrés and Díaz-Sánchez, Daniel, year=2007 

@inproceedingsSchäfer_Bleul_Müller_2006, place=Hasselt, Belgium, title=Dialog Modelling for Multiple Devices and Multiple Interaction Modalities, DOI=10.1007/978-3-540-70816-2_4, booktitle=Proceedings of the 5th International Workshop on Task Models and Diagrams for User Interface Design (TAMODIA’2006), author=Schäfer, Robbie and Bleul, Steffen and Müller, Wolfgang, year=2006 

@inproceedingsWarsitz_Haeb-Umbach_2005, title=Acoustic filter-and-sum beamforming by adaptive principal component analysis, volume=4, DOI=10.1109/ICASSP.2005.1416129, booktitle=IEEE International Conference on Acoustics, Speech and Signal Processing (ICASSP 2005), author=Warsitz, Ernst and Haeb-Umbach, Reinhold, year=2005, pages=iv/797-iv/800 Vol. 4 

@inproceedingsWarsitz_Haeb-Umbach_2004, title=Robust speaker direction estimation with particle filtering, DOI=10.1109/MMSP.2004.1436569, booktitle=IEEE Workshop on Multimedia Signal Processing (MMSP 2004), author=Warsitz, Ernst and Haeb-Umbach, Reinhold, year=2004, pages=367–370