1. Aircraft response to the trailing vortices generated by large jet transports;Andrews,1971
2. A. deBruin et al., S-WAKE Assessment of Wake Vortex Safety, Publishable Summary Report, Provisional Issue, NLR, May 2003
3. Results of the Boeing company wake turbulence test programme;Condit,1971
4. J.N. Hallock, W.R. Eberle, Aircraft wake vortices, a state-of-the-art review of the United States, FAA-RD-77-23, 1977
5. R.C. Hastings Jr., G.L. Keyser Jr., Simulated vortex encounters by a twin-engine commercial aircraft during final approach, SAE Technical Paper 800775, May 1980 (also NASA TM-81782)