@book{9683,
	author = {Symposium on Molecular Clouds in the Milky Way and External Galaxies and Dickman, R. L., ed.},
	title = {Molecular clouds in the milky way and external galaxies},
	publisher = {Springer-Verlag},
	year = {1988},
	series = {Lecture notes in physics; v. 315},
	address = {Berlin}
}