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| | Idea Group Reference |
 | | Yannis Manolopoulos, Aristotle University of Thessaloniki, Greece; Alexandros Nanopoulos, Aristotle University of Thessaloniki, Greece; Mikolaj Morzy, Poznan University of Technology, Poland; Tadeusz Morzy, Poznan University of Techmology, Poland; Marek Wojciechowski, Poznan University of Technology, Poland; Maciej Zakrzewicz, Poznan University of Techmology, Poland |
 | | Virpi Lyytikäinen, University of Jyväskylä, Finland; Pasi Tiitinen, University of Jyväskylä, Finland; Airi Salminen, University of Jyväskylä, Finland |
 | | Rung Ching Chen, Chaoyang University of Technology, Taiwan; Ming Yung Tsai, Chaoyang University of Technology, Taiwan; Chung Hsun Hsieh, Chaoyang University of Technology, Taiwan |
| www.idea-group.com /encyclopedia/details.asp?ID=4455&v=tableOfContents (6260 words) |
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