@book{2299,
	author = {Conference on the Distribution and Motion of Interstellar Matter in Galaxies and Woltjer, L., ed.},
	title = {The distribution and motion of interstellar matter in galaxies},
	publisher = {W. A. Benjamin},
	year = {1962},
	series = {Benjamin books in the planetary and earth sciences},
	address = {New York}
}