1. Swirling jet flames issuing from an annular burner;Beér;J. d'Etudes Flammes,1963
2. Swirling jet flames issuing from an annular burner;Beér,1963
3. Acrodynamic study of turbulent burning free jets with swirl;Chigier,1967
4. The fire whirl;Emmons,1967
5. On the dynamics of revolving fluids;Lord,1916