A. Kryszczyńska,
F. Colas,
M. Polińska,
R. Hirsch,
V. Ivanova,
G. Apostolovska,
B. Bilkina,
F. P. Velichko,
T. Kwiatkowski,
P. Kankiewicz et al. (20 more)
A&A, 546 (2012) A72
Published online: 08 October 2012
DOI: 10.1051/0004-6361/201219199
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