Nielbock, Markus؛ Launhardt, Ralf؛ Steinacker, Jürgen؛ وآخرون (أغسطس 2012). "The Earliest Phases of Star formation observed with Herschel (EPoS): The dust temperature and density distributions of B68". Astronomy and Astrophysics. ج. 547: A11. arXiv:1208.4512. Bibcode:2012A&A...547A..11N. DOI:10.1051/0004-6361/201219139.
Nielbock, Markus؛ Launhardt, Ralf؛ Steinacker, Jürgen؛ وآخرون (أغسطس 2012). "The Earliest Phases of Star formation observed with Herschel (EPoS): The dust temperature and density distributions of B68". Astronomy and Astrophysics. ج. 547: A11. arXiv:1208.4512. Bibcode:2012A&A...547A..11N. DOI:10.1051/0004-6361/201219139.
Nielbock, Markus؛ Launhardt, Ralf؛ Steinacker, Jürgen؛ وآخرون (أغسطس 2012). "The Earliest Phases of Star formation observed with Herschel (EPoS): The dust temperature and density distributions of B68". Astronomy and Astrophysics. ج. 547: A11. arXiv:1208.4512. Bibcode:2012A&A...547A..11N. DOI:10.1051/0004-6361/201219139.