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Fine structure splitting of the 2s2 2p3 2P and 2D levels of O II from CCD/echelle observations of the planetary nebula IC 418
Barnett, E. W., McKeith, C. D.Volume:
234
Journal:
Monthly Notices of the Royal Astronomical Society
DOI:
10.1093/mnras/234.2.241
Date:
September, 1988
File:
PDF, 116 KB
1988