Free Access
| Issue |
A&A
Volume 538, February 2012
|
|
|---|---|---|
| Article Number | A87 | |
| Number of page(s) | 17 | |
| Section | Extragalactic astronomy | |
| DOI | https://doi.org/10.1051/0004-6361/201116517 | |
| Published online | 09 February 2012 | |
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