@article {33175,
	title = {Revegetation of pits and quarries. Papers presented at a symposium of the Canadian Botanical Association at the Annual Meeting, Guelph, Ontario, 10 June, 1981},
	volume = {Working Paper No. 13},
	year = {1981},
	pages = {67},
	institution = {University of Waterloo, School of Urban and Regional Planning},
	address = {Waterloo, Ont.},
	author = {Suffling, R., editor}
}
