@article {31934,
	title = {Effects of surface mining on soil microbial communities and processes. In: Ecology and coal resource development. Vol. 2. Edited by M. K. Wali},
	year = {1979},
	pages = {643-651},
	institution = {Pergamon Press},
	address = {New York},
	author = {Visser, S. and Zak, J. and Parkinson, D.}
}
