1. Busemann, A., Gasdynamik, Handbuch der Experimental physik, 4, pt 1, pp. 343–460, Leipzig, 1931.
2. Ackeret, J., Gasdynamik, Handbuch der Physik, 7,Kap, 5.
3. Pai, S. I., Fluid Dynamics of Jets, D. Van Nostrand Company, Inc., Princeton, N. J., 1954.
4. Lamb, H., Hydrodynamics, 6th edition, Cambridge University Press, 1932.
5. Pai, S. I., Modern Fluid Mechanics,Science Press, Beijing, 1981, distributed by Van Nostrand Reinhold Co. N. Y.