Nielbock, Markus; Launhardt, Ralf; Steinacker, Jürgen; et al. The Earliest Phases of Star formation observed with Herschel (EPoS): The dust temperature and density distributions of B68. Astronomy and Astrophysics. August 2012, 547: A11. Bibcode:2012A&A...547A..11N. arXiv:1208.4512. doi:10.1051/0004-6361/201219139.
Alves, João F.; Lada, Charles J.; Lada, Elizabeth A. Internal structure of a cold dark molecular cloud inferred from the extinction of background starlight. Nature. January 2001, 409 (6817): 159–161. Bibcode:2001Natur.409..159A. PMID 11196632. doi:10.1038/35051509.
Nielbock, Markus; Launhardt, Ralf; Steinacker, Jürgen; et al. The Earliest Phases of Star formation observed with Herschel (EPoS): The dust temperature and density distributions of B68. Astronomy and Astrophysics. August 2012, 547: A11. Bibcode:2012A&A...547A..11N. arXiv:1208.4512. doi:10.1051/0004-6361/201219139.
Alves, João F.; Lada, Charles J.; Lada, Elizabeth A. Internal structure of a cold dark molecular cloud inferred from the extinction of background starlight. Nature. January 2001, 409 (6817): 159–161. Bibcode:2001Natur.409..159A. PMID 11196632. doi:10.1038/35051509.
Nielbock, Markus; Launhardt, Ralf; Steinacker, Jürgen; et al. The Earliest Phases of Star formation observed with Herschel (EPoS): The dust temperature and density distributions of B68. Astronomy and Astrophysics. August 2012, 547: A11. Bibcode:2012A&A...547A..11N. arXiv:1208.4512. doi:10.1051/0004-6361/201219139.
Alves, João F.; Lada, Charles J.; Lada, Elizabeth A. Internal structure of a cold dark molecular cloud inferred from the extinction of background starlight. Nature. January 2001, 409 (6817): 159–161. Bibcode:2001Natur.409..159A. PMID 11196632. doi:10.1038/35051509.