@article {38433,
	title = {Natural revegetation of coal spoils in the Rocky Mountains of Alberta and its significance for species selection in land restoration},
	volume = {12},
	year = {1992},
	pages = {285-300},
	publisher = {Mountain Research and Development},
	url = {http://www.jstor.org/stable/3673671?seq=2},
	author = {Baig, M. N.}
}
