1. Kalghatgi, G., SAE Technical Paper 2005-01-0239, 2005, doi:10.4271/2005-01-0239.7.
2. Attard, W., Toulson, E., Watson, H., and Hamori, F., SAE Technical Paper 2010-01-1456, 2010.
3. Berni, F., Breda, S., Lugli, M., 69th Conference of the Italian Thermal Machines Engineering Association, ATI2014.
4. d’Adamo,A, Berni,F, Breda,S, Lugli,M, Cantore,G., SAE Technical Papers, 2015-01-0393.
5. Berni,F, Breda,S, d’Adamo,A, Fontanesi,F, Cantore,G, SAE Technical Papers, 2015-24-2499.