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2. Berriaud, C., Etude des pertes de charges dans la grappe EL 4 CEA-R 2465 Août 1964.
3. Deissler R. G. et Taylor M. F., Analyses of fully developed turbulent heat transfer and flow in an annulus with various excentricities NACA TN 3451, 1955.
4. A Comparison of Predicted and Measured Friction Factors for Turbulent Flow Through Rectangular Ducts