Author(s): Ackermann Markus, Ajello Marco, Allafort A., Antolini E., B. Atwood W., Axelsson Magnus, Baldini Luca, Ballet Jean, Barbiellini Guido, Bastieri D., Bechtol K., Bellazzini R., Berenji B., Bruel Pascal, M. Casandjian J., Cohen-Tanugi J., Escande L., J. Fegan S., Fortin P., Giebels B., A. Grenier I., Horan D., Hou X., Knödlseder Jürgen, Lott B., Naumann-Godo M., Nuss E., Pierbattista M., Piron F., Vasileiou V.

(Article) Published: The Astrophysical Journal / The Astrophysical Journal Letters, vol. 743 p.171 (2011)
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