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High-Resolution Observations of Interstellar Ca I Absorption—Implications for Depletions and Electron Densities in Diffuse Clouds

D. Morton, D. Welty, L. Hobbs, 2003, astro-ph/0302089.

The Diffuse Interstellar Clouds toward 23 Orionis

D. York, L. Spitzer, D. Morton, 1999, astro-ph/9905234.

DIFFUSE INTERSTELLAR BANDS VERSUS KNOWN ATOMIC AND MOLECULAR SPECIES IN THE INTERSTELLAR MEDIUM OF M82 TOWARD SN 2014J

D. York, U. Washington, Carthage College, 2014, 1404.2639.