1. Adrian RJ, Christensen KT, Liu Z-C (2004) Analysis and interpretation of instantaneous turbulent velocity fields. Exp Fluids 29:275–290
2. Bailly J, Delrieux Y, Beaumier P (2004) HART II: experimental analysis and validation of ONERA methodology for the prediction of blade-vortex interaction. 30th European Rotorcraft Forum, Marseille, France
3. Burley CL, Brooks TF, van der Wall BG, Richard H, Raffel M, Beaumier P, Delrieux Y, Lim JW, Yu YH, Tung C, Pengel K, Mercker E (2002) Rotor wake vortex definiton and validation from 3-C PIV HART II study. 28th European Rotorcraft Forum, Bristol, England
4. Ebling J, Scheuermann G, van der Wall BG (2005) Analysis and visualization of 3C-PIV images from HART II using image processing methods. EUROGRAPHICS-IEEE VGTC symposium on visualization, Leeds, England
5. Hamel G (1917) Spiralförmige Bewegungen zäher Flüssigkeiten. J-Ber Deutsch Math-Verein 25:34