@book{148145,
	author = {Dapena Vidal, Ramón Enrique, and WEUC (Estación de radio)},
	title = {La libre competencia - El monopolio de los productores de gasolina},
	publisher = {WEUC},
	year = {p1989.},
	address = {Ponce, P.R.},
	note = {"27 de julio de 1989".}
}