1. Swirl Flows;Gupta,1984
2. Preliminary Results of Low Speed Wind Tunnel Tests on a Gothic Wing of Aspect Ratio 1.0;Peckham,1957
3. Vortex breakdown: observations and explanations;Escudier;Prog. Aerosp. Sci.,1988
4. Vortex breakdown: a review;Lucca-Negro;Prog. Energy Combust. Sci.,2001
5. The inner regions of annular jets;Ko;J. Fluid Mech.,1979