J. Aleksić,
L. A. Antonelli,
P. Antoranz,
M. Backes,
J. A. Barrio,
D. Bastieri,
J. Becerra González,
W. Bednarek,
A. Berdyugin,
K. Berger et al. (136 more)
A&A, 530 (2011) A4
Published online: 27 April 2011
DOI: 10.1051/0004-6361/201116497
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