1. Vortex Model to Define Safe Aircraft Separation Distances;Corjon;J. Aircraft,1996
2. Motion of a vortex pair in a stably stratified fluid;Crow;Poseidon Research Rep. 1,1974
3. Fujita T.T., Overshooting Tops observed from ATS and Learjet, SMRP Research Paper 117, University of Chicago.
4. Dynamics of counter-rotating vortex pairs in stratified and sheared environments;Garten;J. Fluid Mech.,1998
5. Wingtip vortices and exhaust jets during the jet regime of aircraft wakes;Gerz;Aerospace Sci. Techn.,1997