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The Spectrum of the Planetary Nebula IC 418
Siek Hyung, Lawrence H. Aller and Walter A. FeibelmanVolume:
106
Language:
english
Journal:
Publications of the Astronomical Society of the Pacific
DOI:
10.2307/40680424
Date:
July, 1994
File:
PDF, 1.78 MB
english, 1994