@article {38111,
	title = {Study of Alberta limestones for potential use as paper filler},
	volume = {1991-16},
	year = {1991},
	pages = {41},
	url = {http://www.ags.gov.ab.ca/publications/OFR/PDF/OFR_1991_16.PDF},
	author = {Hamilton, W. N.}
}
