@article {49581,
	title = {Performance of helical piles in oil sand},
	volume = {46},
	year = {2009},
	pages = {1046-1061},
	publisher = {Canadian Geotechnical Journal },
	url = {http://article.pubs.nrc-cnrc.gc.ca/RPAS/rpv?hm=HInit\&journal=cgj\&volume=46\&afpf=t09-044.pdf},
	author = {Sakr, Mohammed}
}
