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Infrared Observations of the Helix Planetary Nebula
Hora, Joseph L., Latter, William B., Smith, Howard A., Marengo, MassimoVolume:
652
Language:
english
Journal:
The Astrophysical Journal
DOI:
10.1086/507944
Date:
November, 2006
File:
PDF, 4.09 MB
english, 2006