@article {32091,
	title = {Microbes, mycorrhizae, and mine spoil. In: Ecology and coal resource development. Vol. 2. Edited by M. K. Wali},
	year = {1979},
	pages = {634-642},
	institution = {Pergamon Press},
	address = {New York},
	author = {Parkinson, D.}
}
