Lebouteiller, V.; Bernard-Salas, J.; Brandl, B.; Whelan, D. G.; et al. Chemical Composition and Mixing in Giant H II Regions: NGC 3603, 30 Doradus, and N66. The Astrophysical Journal. June 2008, 680 (1): 398–419. Bibcode:2008ApJ...680..398L. arXiv:0710.4549. doi:10.1086/587503.
Lebouteiller, V.; Bernard-Salas, J.; Brandl, B.; Whelan, D. G.; et al. Chemical Composition and Mixing in Giant H II Regions: NGC 3603, 30 Doradus, and N66. The Astrophysical Journal. June 2008, 680 (1): 398–419. Bibcode:2008ApJ...680..398L. arXiv:0710.4549. doi:10.1086/587503.
Lebouteiller, V.; Bernard-Salas, J.; Brandl, B.; Whelan, D. G.; et al. Chemical Composition and Mixing in Giant H II Regions: NGC 3603, 30 Doradus, and N66. The Astrophysical Journal. June 2008, 680 (1): 398–419. Bibcode:2008ApJ...680..398L. arXiv:0710.4549. doi:10.1086/587503.