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Boisson, C. B. Rulten, C. Deil, C. Farnier, C. Jahn, C. Stegmann, C. van Eldik, C. Venter, D. Emmanoulopoulos, D. Gerbig, D. G\\\"oring, D. Hauser, D. Horns, D. Keogh, D. Khangulyan, D. Maurin, D. Nedbal, D. Nekrassov, D. Spangler, E. de O\\~na Wilhelm, E. Kendziorra, E. Moulin, F. Brun, F. Dubois, F. Feinstein, F. M. Sch\\\"ock, F. Rieger, F. Stinzing, F. Volp, G. Anton, G. Coignet, G. Dubus, G. Fontaine, G. Heinzelmann, G. Henri, G. Hermann, G. Lamanna, G. Pedaletti, G. Pelletier, G. P\\\"uhlhofer, G. Rowell, G. Superina, G. Vasileiadis, H.E.S.S. Collaboration : F. Aharonian, H. J. Dickinson, H. J. V\\\"olk, H. Sol, I. B\\\"usching, I. D. Davids, I. Jung, J. A. Hinton, J. Bolmont, J. Brucker, J. Dyks, J. F. Glicenstein, J-F. Olive, J. L. Skilton, J. Masbou, J. M. Martin, J. Niemiec, J.-P. Lenain, J. -P. Tavernet, J. P. Vialle, J. Ripken, J. Ruppel, K. Bernl\\\"ohr, K. Egberts, K. J. Orford, K. Katarzy\\'nski, K. Kosack, L. G\\'erard, L. -M. Chounet, L. O'C. Drury, L. Rob, L. 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