@article {33100,
	title = {Native grass and cultivated grass-legume mixture trials on subalpine coal-mined disturbances in Alberta : a progress report for 1980},
	volume = {ENR No. T/21-80},
	year = {1981},
	pages = {41},
	institution = {Alberta Energy and Natural Resources, Alberta Forest Service},
	author = {Tomm, H. O. and Russell, W. B.}
}
