@mastersthesis {49393,
	title = {Effect of surfactants on asphaltene interfacial films and stability of water-in-oil emulsions},
	volume = {Chemical and Petroleum Engineering},
	year = {2009},
	pages = {208},
	address = {University of Calgary},
	keywords = {oil refining},
	url = {http://search.proquest.com/docview/304844929},
	author = {Ortiz Gonzelez, Diana Paola}
}
