Campbell, W. C.; Tsikata, E.; van Buuren, L.; Lu, H.; Doyle, J. M. Magnetic Trapping and Zeeman Relaxation of NH (X3Σ−). Physical Review Letters. 2007, 98 (21): 213001. arXiv:physics/0702071. doi:10.1103/PhysRevLett.98.213001.
Frebel, Anna; Collet, Remo; Eriksson, Kjell; Christlieb, Norbert; Aoki, Wako. HE 1327–2326, an Unevolved Star with [Fe/H] < –5.0. II. New 3D–1D Corrected Abundances from a Very Large Telescope UVES Spectrum. Astrophysical Journal. 2008, 684 (1): 588–602. Bibcode:2008ApJ...684..588F. ISSN 0004-637X. arXiv:0805.3341. doi:10.1086/590327.
doi.org
Campbell, W. C.; Tsikata, E.; van Buuren, L.; Lu, H.; Doyle, J. M. Magnetic Trapping and Zeeman Relaxation of NH (X3Σ−). Physical Review Letters. 2007, 98 (21): 213001. arXiv:physics/0702071. doi:10.1103/PhysRevLett.98.213001.
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Frebel, Anna; Collet, Remo; Eriksson, Kjell; Christlieb, Norbert; Aoki, Wako. HE 1327–2326, an Unevolved Star with [Fe/H] < –5.0. II. New 3D–1D Corrected Abundances from a Very Large Telescope UVES Spectrum. Astrophysical Journal. 2008, 684 (1): 588–602. Bibcode:2008ApJ...684..588F. ISSN 0004-637X. arXiv:0805.3341. doi:10.1086/590327.
Crutcher, R. M.; Watson, W. D. Upper limit and significance of the NH molecule in diffuse interstellar clouds. Astrophysical Journal. 1976, 209 (1): 778–781. Bibcode:1976ApJ...209..778C. doi:10.1086/154775.
Prasad, S. S.; Huntress, W. T. A model for gas phase chemistry in interstellar clouds. I. The basic model, library of chemical reactions, and chemistry among C, N, and O compounds. Astrophysical Journal Supplement Series. 1980, 43: 1. Bibcode:1980ApJS...43....1P. doi:10.1086/190665.
Ram, R. S.; Bernath, P. F.; Hinkle, K. H. Infrared emission spectroscopy of NH: Comparison of a cryogenic echelle spectrograph with a Fourier transform spectrometer. The Journal of Chemical Physics. 1999, 110 (12): 5557. Bibcode:1999JChPh.110.5557R. doi:10.1063/1.478453.
Frebel, Anna; Collet, Remo; Eriksson, Kjell; Christlieb, Norbert; Aoki, Wako. HE 1327–2326, an Unevolved Star with [Fe/H] < –5.0. II. New 3D–1D Corrected Abundances from a Very Large Telescope UVES Spectrum. Astrophysical Journal. 2008, 684 (1): 588–602. Bibcode:2008ApJ...684..588F. ISSN 0004-637X. arXiv:0805.3341. doi:10.1086/590327.
Frebel, Anna; Collet, Remo; Eriksson, Kjell; Christlieb, Norbert; Aoki, Wako. HE 1327–2326, an Unevolved Star with [Fe/H] < –5.0. II. New 3D–1D Corrected Abundances from a Very Large Telescope UVES Spectrum. Astrophysical Journal. 2008, 684 (1): 588–602. Bibcode:2008ApJ...684..588F. ISSN 0004-637X. arXiv:0805.3341. doi:10.1086/590327.