Walker-Smith, S. L.; Richer, J. S.; Buckle, J. V.; Smith, R. J.; Greaves, J. S.; Bonnell, I. A. (March 2013), ”The structure and kinematics of dense gas in NGC 2068”, Monthly Notices of the Royal Astronomical Society 429 (4): 3252–3265, doi:10.1093/mnras/sts582, Bibcode: 2013MNRAS.429.3252W.
Strom, S. E.; Grasdalen, G. L.; Strom, K. M. (July 1974), ”Infrared and optical observations of Herbig-Haro objects.”, Astrophysical Journal 191: 111–142, doi:10.1086/152948, Bibcode: 1974ApJ...191..111S.
Motte, F.; André, P.; Ward-Thompson, D.; Bontemps, S. (June 2001), ”A SCUBA survey of the NGC 2068/2071 protoclusters”, Astronomy and Astrophysics 372 (3): L41–L44, doi:10.1051/0004-6361:20010543, Bibcode: 2001A&A...372L..41M.
Herbig, G. H.; Kuhi, L. V. (February 1963), ”Emission-Line Stars in the Region of NGC 2068”, Astrophysical Journal 137: 398, doi:10.1086/147519, Bibcode: 1963ApJ...137..398H.
Zhao, Bing; Wang, Min; Yang, Ji; Wang, Hongchi; Deng, Licai; Yan, Jun; Chen, Jiansheng (September 1999), ”Newly Discovered Herbig-Haro Objects in the NGC 2068 and NGC 2071 Regions”, The Astronomical Journal 118 (3): 1347–1353, doi:10.1086/301002, Bibcode: 1999AJ....118.1347Z.
harvard.edu
adsabs.harvard.edu
Walker-Smith, S. L.; Richer, J. S.; Buckle, J. V.; Smith, R. J.; Greaves, J. S.; Bonnell, I. A. (March 2013), ”The structure and kinematics of dense gas in NGC 2068”, Monthly Notices of the Royal Astronomical Society 429 (4): 3252–3265, doi:10.1093/mnras/sts582, Bibcode: 2013MNRAS.429.3252W.
Strom, S. E.; Grasdalen, G. L.; Strom, K. M. (July 1974), ”Infrared and optical observations of Herbig-Haro objects.”, Astrophysical Journal 191: 111–142, doi:10.1086/152948, Bibcode: 1974ApJ...191..111S.
Motte, F.; André, P.; Ward-Thompson, D.; Bontemps, S. (June 2001), ”A SCUBA survey of the NGC 2068/2071 protoclusters”, Astronomy and Astrophysics 372 (3): L41–L44, doi:10.1051/0004-6361:20010543, Bibcode: 2001A&A...372L..41M.
Herbig, G. H.; Kuhi, L. V. (February 1963), ”Emission-Line Stars in the Region of NGC 2068”, Astrophysical Journal 137: 398, doi:10.1086/147519, Bibcode: 1963ApJ...137..398H.
Zhao, Bing; Wang, Min; Yang, Ji; Wang, Hongchi; Deng, Licai; Yan, Jun; Chen, Jiansheng (September 1999), ”Newly Discovered Herbig-Haro Objects in the NGC 2068 and NGC 2071 Regions”, The Astronomical Journal 118 (3): 1347–1353, doi:10.1086/301002, Bibcode: 1999AJ....118.1347Z.
seds.org
messier.seds.org
Frommert, Hartmut; Kronberg, Christine (9 October 2018), ”Messier 78”, SEDS Messier pages (Students for the Exploration and Development of Space (SEDS)), http://messier.seds.org/m/m078.html, läst 5 december 2018.