@article{774d69cef83b409a8fddc5dee452151c,
title = "Estimating the porosity of the interstellar medium from three-dimensional photoionization modeling of H II regions",
keywords = "H II regions, ISM: structure, Radiative transfer, Stars: individual (ζ Ophiuchi)",
author = "Kenneth Wood and Haffner, \{L. M.\} and Reynolds, \{R. J.\} and Mathis, \{John S.\} and G. Madsen",
year = "2005",
month = nov,
day = "1",
doi = "10.1086/432831",
language = "English",
volume = "633",
pages = "295--308",
journal = "Astrophysical Journal",
issn = "0004-637X",
publisher = "Institute of Physics Publishing, Inc.",
number = "1 I",
}