@article {44188,
	title = {Sampling variance as a function of single-increment size for estimation of bitumen in an oil-sand core},
	volume = {80},
	year = {2002},
	pages = {440-446},
	publisher = {Canadian Journal of Chemistry},
	url = {http://0-proquest.umi.com.aupac.lib.athabascau.ca/pqdweb?index=225\&did=123029231\&SrchMode=1\&sid=2\&Fmt=6\&VInst=PROD\&VType=PQD\&RQT=309\&VName=PQD\&TS=1219251433\&clientId=12302},
	author = {Gao, Zhi and Kratochvil, Byron}
}
