Free Access
| Issue |
A&A
Volume 557, September 2013
|
|
|---|---|---|
| Article Number | A121 | |
| Number of page(s) | 12 | |
| Section | Interstellar and circumstellar matter | |
| DOI | https://doi.org/10.1051/0004-6361/201321786 | |
| Published online | 18 September 2013 | |
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