Vortex ring-like structures in gasoline fuel sprays [Electronic resource]Sazhin, Sergei; Kaplanski, Felix; Begg, Steven; Heikal, MorganProceedings of the JUMY International Automotive Conference and Exhibition : XXII Science and Motor Vehicles 2009 : Belgrade, 14-16 April, 20092009 / Paper 31 [CD-ROM] https://www.ilasseurope.org/ICLASS/ILASS2008_COMO/file/papers/6-5.pdf