@article {39931,
	title = {Naphthenic acids extraction and quantitive analyses with FT-IR spectroscopy. Syncrude analytical methods manual. 4th ed. },
	year = {1995},
	institution = {Syncrude Canada Ltd.},
	address = {Edmonton, AB},
	author = {Jivraj, M. N.:MacKinnon, M. and Fung, B.}
}
