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On the nitrogen abundance of fast, low-ionization emission regions: the outer knots of the planetary nebula NGC 7009
D. R. Gonçalves, B. Ercolano, A. Carnero, A. Mampaso, R. L. M. CorradiVolume:
365
Year:
2006
Language:
english
Pages:
11
DOI:
10.1111/j.1365-2966.2005.09794.x
File:
PDF, 182 KB
english, 2006