@book{TUW-139752, editor = {Bednar, Peter and Horvath, Thomas and Paralic, Jan and Rauber, Andreas}, title = {Proceedings of the 6th Workshop on Data Analysis (WDA 2005)}, publisher = {Elfa Academic Press}, year = {2005}, address = {Kosice}, numpages = {99}, isbn = {80-8086-015-7} }