Gedanitz, H., Dávila, M. J., Baumhögger, E., &; Span, R. (2009). An apparatus for the determination of speeds of sound in fluids. The Journal of Chemical Thermodynamics, 478–483.https://doi.org/10.1016/j.jct.2009.11.002 

Trier, M., &; Bobrik, A. (2009). Social Search: Exploring and Searching Social Architectures in Digital Networks. IEEE Internet Computing, 51–59.https://doi.org/10.1109/mic.2009.44 

Sanmateu, M.-A., Trier, M., Lienicke, A., &; Rederer, A. (2009). Enabling social media content quality assurance using social network analysis. In V. Erfurth, Christian AND Eichler, Gerald AND Schau (Ed.), 9th International Conference On Innovative Internet Community Systems CS 2010 (pp. 27–35). Bonn: Gesellschaft für Informatik e.V.

Bobrik, A., &; Trier, M. (2009). Content-based Community Detection in Social Corpora. In Proceedings Wirtschaftsinformatik (Vol. 1, pp. 295–304). Wien: Österreichische Computer Gesellschaft Verlag.

Trier, M., Herzog, M., &; Möller, D. (2009). Odcp – ein rapid E-Learning Ansatz zur einfachen Produktion Scorm-konformer Lerninhalte. In Proceedings Wirtschaftsinformatik (pp. 391–400). Wien: Österreichische Computer Gesellschaft Verlag.

Biermann, T., Polgar, Z. A., &; Karl, H. (2009). Cooperation and coding framework. In Communications Workshops, 2009. ICC Workshops 2009. IEEE International Conference on (pp. 1--5).

Valentin, S., Woldegebreal, D. H., Volkhausen, T., &; Karl, H. (2009). Combining for cooperative WLANs-a reality check based on prototype measurements. In Communications Workshops, 2009. ICC Workshops 2009. IEEE International Conference on (pp. 1--5).

Volkhausen, T., Woldegebreal, D. H., &; Karl, H. (2009). Improving network coded cooperation by soft information. In Sensor, Mesh and Ad Hoc Communications and Networks Workshops, 2009. SECON Workshops’ 09. 6th Annual IEEE Communications Society Conference on (pp. 1--6).

Hüllermeier, E. (2009). On the usefulness of fuzzy sets in data mining. In R. Seising (Ed.), Views on Fuzzy Sets and Systems from Different Perspectives: Philosophy and Logic, Criticisms and Applications (pp. 457–470). Springer.

Warneke, D., &; Dannewitz, C. (2009). Statistics-based ID management for load balancing in structured P networks. In 2009 IEEE 34th Conference on Local Computer Networks. IEEE.https://doi.org/10.1109/lcn.2009.5355086