1. Gunst R. F. and Mason R. L.Regression Analysis and its Application: a Data-Oriented Approach. Marcel Dekker Inc., New York, 1980.
2. Draper N. R. and Smith H.Applied Regression Analysis. Wiley, New York, 1981.
3. Rousseeuw P. J. and Leroy A. M.Robust Regression and Outlier Detection. Wiley, New York, 1987.
4. Massey B. S.Units, Dimensional Analysis and Physical Similarity. Van Nostrand Reinhold Company, London, 1971.
5. Iribarren R.Una Formula para el Calcula de los Diques de Escollera. Revista De Obras Publicas, Madrid, 1938.