Abundant HD in the pre–stellar core L1544P. Caselli, F. F. S. van der Tak, C. Ceccarelli and A. BacmannA&A, 403 3 (2003) L37-L41DOI: https://doi.org/10.1051/0004-6361:20030526
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in the pre–stellar core L1544D in the pre–stellar core L1544