Vortex - dictionary - wikipedia - other references on name vortex vortex PHI spiral rotation definition http://dictionary.reference.com/search?q=vortex Read more about Vortex - dictionary - wikipedia - other references on name vortex
Repulse Klaus Rauber repulsine frequency wave pressure geometry repulse sound rotation waveplate acoustics noise 2001 http://groups.yahoo.com/group/viktorschaubergergroup/message/1142 Read more about Repulse
