@book{1060,
	author = {Instituto Uruguayo de Normas Técnicas and International Organization for Standarization},
	title = {Productos de petróleo - Determinación del residuo carbonoso - Micro método :},
	publisher = {UNIT,},
	year = {2014},
	address = {Montevideo:},
	edition = {1a. ed.},
	note = {Adopción UNIT Mayo 2015}
}