J. Aleksić,
E. A. Alvarez,
L. A. Antonelli,
P. Antoranz,
M. Asensio,
M. Backes,
J. A. Barrio,
D. Bastieri,
J. Becerra González,
W. Bednarek et al. (147 more)
A&A, 540 (2012) A69
Published online: 28 March 2012
DOI: 10.1051/0004-6361/201118166
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