Herschel Survey of Galactic OH+, H2O+, and H3O+: Probing the Molecular Hydrogen Fraction and Cosmic-Ray Ionization Rate
Nick Indriolo, D. A. Neufeld, M. Gerin, P. Schilke, A. O. Benz, B. Winkel et al. · arXiv: 1412.1106v1 · Summary page
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