@book{188790,
	author = {Kokal, Sunil and Society of Petroleum Engineers, SPE},
	title = {Productivity decline in oil wells related to asphaltene precipitation and emulsion blocks},
	publisher = {Society of Petroleum Engineers, SPE},
	year = {2003},
	address = {[s.l]},
	note = {En: Revista SPE Production & Facilities, Noviembre 2003 pág. 247 a 256}
}