1. Vehicle Emissions as a Basis for Fuel Specifications, International Conference on Biofuels Standards, European Commission, Bruxelles, February 27–28, 2007 (http://ec.europa.eu/energy/res/events/doc/biofuels/presentation_stapel.pdf).
2. The Influence of Gasoline Formulation on Specific Pollutant Emissions
3. UNI EN 228:2004, Combustibili per autotrazione – Benzina senza piombo – Requisiti e metodi di prova, UNI, Ente Nazionale Italiano di Unificazione.
4. Analytical Controls, Hydrocarbon Type Analysis of Aromatics and Aliphatics by the AC Reformulyzer, Application note 2001, 9708.