@mastersthesis {42419,
	title = {Calculation of time variations in mineral grades from high resolution geostatistical models},
	volume = {Civil and Environmental Engineering},
	year = {2000},
	pages = {143},
	address = {University of Alberta},
	url = {http://search.proquest.com/docview/304645561},
	author = {Wang, Xuesi}
}
