Lebouteiller, V.; Bernard-Salas, J.; Brandl, B.; Whelan, D. G.; Wu, Yanling; Charmandaris, V.; Devost, D.; Houck, J. R. (2008년 6월). “Chemical Composition and Mixing in Giant H II Regions: NGC 3603, 30 Doradus, and N66”. The Astrophysical Journal680 (1): 398–419. arXiv:0710.4549. Bibcode:2008ApJ...680..398L. doi:10.1086/587503.
Lebouteiller, V.; Bernard-Salas, J.; Brandl, B.; Whelan, D. G.; Wu, Yanling; Charmandaris, V.; Devost, D.; Houck, J. R. (2008년 6월). “Chemical Composition and Mixing in Giant H II Regions: NGC 3603, 30 Doradus, and N66”. The Astrophysical Journal680 (1): 398–419. arXiv:0710.4549. Bibcode:2008ApJ...680..398L. doi:10.1086/587503.
Massey, P.; Hunter, D. (1998년 1월). “Star Formation in R136: A Cluster of O3 Stars Revealed by Hubble Space Telescope Spectroscopy”. The Astrophysical Journal493 (1): 180. Bibcode:1998ApJ...493..180M. doi:10.1086/305126.
Lebouteiller, V.; Bernard-Salas, J.; Brandl, B.; Whelan, D. G.; Wu, Yanling; Charmandaris, V.; Devost, D.; Houck, J. R. (2008년 6월). “Chemical Composition and Mixing in Giant H II Regions: NGC 3603, 30 Doradus, and N66”. The Astrophysical Journal680 (1): 398–419. arXiv:0710.4549. Bibcode:2008ApJ...680..398L. doi:10.1086/587503.
Massey, P.; Hunter, D. (1998년 1월). “Star Formation in R136: A Cluster of O3 Stars Revealed by Hubble Space Telescope Spectroscopy”. The Astrophysical Journal493 (1): 180. Bibcode:1998ApJ...493..180M. doi:10.1086/305126.