1. Ahmed, I., 2001. “Oxygenated Diesel: Emissions and Performance Characteristics of Ethanol–Diesel Blends in CI Engines”. SAE paper 2001-01-2475.
2. Armas, O., Cárdenas, M.D., Mata, C., 2007. “Smoke Opacity and NOx Emissions from a Bioethanol–Diesel Blend during Engine Transient Operation”. SAE paper 2007-24-0131.
3. Armas, O., Gómez, A., Mata, C., 2009. “Effect of a bioethanol–diesel blend on particle size distributions produced by a city bus during an acceleration sequence”. 238th American Chemical Society National Meeting, Washington, DC (USA).
4. Armas, O., Lapuerta, M., Gómez, A., Mata, C., 2010. “Effect of ethanol–diesel blends on the particle size distributions of a city bus”. THIESEL 2010. ISBN: 978-84693-5009-6, pp. 421–432.
5. Effect of an ethanol–biodiesel–diesel blend on the durability of a common rail injection system;Armas;Fuel Processing Technology,2011