Author(s): A. Abdo A., Ackermann Markus, Ajello Marco, B. Atwoo W., Baldini Luca, Ballet Jean, Barbiellini Guido, Bastieri D., Bechtol K., Bellazzini R., Berenji B., Bruel Pascal, M. Casandjian J., Cohen-Tanugi J., J. Fegan S., Fortin P., A. Grenier I., B. Hill A., Horan D., Hou X., Knödlseder Jürgen, Lande J., Lemoine-Goumard M., Lott B., Mehault J., Nuss E., Pierbattista M., Piron F., Reposeur T., Vasileiou V.

(Article) Published: The Astrophysical Journal / The Astrophysical Journal Letters, vol. 758 p.140 (2012)
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