EDP Sciences
Free access
Issue
A&A
Volume 418, Number 1, April IV 2004
Page(s) L21 - L25
Section Letters
DOI http://dx.doi.org/10.1051/0004-6361:20040111
Abstract (A&A 418 p.L21)
References of  A&A 418 p. L21
Abstract (A&A 418 p.L21)