@book{134632,
	author = {Canadian Petroleum Products Institute, CPPI and Institut Canadien des Produits Pétroliers},
	title = {Using the CPPI colour-symbol system to mark equipment and vehicles for product identification},
	year = {1995},
	address = {Ottawa},
	note = {Navegadores de Internet},
	url = {http://www.cppi.ca/tech/ColourSymbolSystem.pdf}
}