@article {1980ApJ...239..502B,
	title = {Highly-ionized species in the interstellar medium.},
	journal = {\apj},
	volume = {239},
	year = {1980},
	month = {jul},
	pages = {502-514},
	keywords = {Absorption Spectra, Abundance, Astronomical Spectroscopy, Astrophysics, H ii regions, Interstellar Gas, Ionized Gases, Line Spectra, Stellar Winds},
	doi = {10.1086/158134},
	author = {Black, J.~H. and Dupree, A.~K. and Hartmann, L.~W. and Raymond, J.~C.}
}
