1. R. Ash, Z. Zheng, G. Greene, Cross wind effects on turbulent aircraft wake vortices near the ground, in 25th AIAA Fluid Dyn. Conf., AIAA, (Colorado Springs, CO, 1994), p. 2381
2. J. Harvey, F. Perry, Flow field produced by trailing vortices in the vicinity of the ground. AIAA J. 9(8), 1659–1660 (1971)
3. “Heathrow Air Quality Strategy, 2011-2020”, https://www.heathrow.com/file_source/Company/Static/PDF/Communityandenvironment/air-quality-strategy_LHR.pdf
4. F. Proctor, J. Han, Numerical study of wake vortex interaction with the ground using the terminal area simulation system, in 37th AIAA Aerosp. Sci. Meet. & Exhib., (AIAA, Reno, NV, 1999), pp. 99–0754
5. L. Rehby, Jet Engine Ground Vortex Studies (Cranfield University, School of Engineering, Department of Aerospace Sciences, 2007), p. 125