@book{142641,
	author = {Philp, R. Paul and University of Oklahoma and Seminario Internacional Exploración y Explotación de Petróleo y Gas (4to. : 2002 nov. 5-8 : Lima, Perú) and Hsieh, M. and University of Oklahoma},
	title = {Separation of waxes and asphalltenes in crude oils}
}