@book{135120,
	author = {Oil Spill Program and Estados Unidos. Environmental Protection Agency},
	publisher = {Office of Emergency and Remedial Response},
	year = {2002},
	address = {United States of America},
	note = {Sitio visitado en mayo de 2002. ; Navegadores de Internet},
	url = {http://www.epa.gov/oilspill/}
}