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2. Schlichting, H., Boundary Layer Theory, 6th ed., McGraw-Hill, N.Y., 1968.
3. Rosenhead, L., Ed., Laminar Boundary Layers, Oxford Univ. Press, 1963; Chapter III, Part II.
4. Karman, Th. v., Z. A. M. M.1 (1921) 233.
5. Levich, V. G., Physicochemical Hydrodynamics, Prentice-Hall, Inc., Englewood Cliffs, N. J., 1962; p. 60.