[Bowles, J. E. (1996)Foundation Analysis and Design, McGraw-Hill, New York.]Search in Google Scholar
[Das, B. M. (2010)Principles of foundation engineering. Cengage Learning.]Search in Google Scholar
[Fylstra, D. L. – Lasdon, L. – Watson, J. – Warren, A. (1998)Design and Use of the Microsoft Excel Solver, INTERFACES, 28, 5, 29-55.10.1287/inte.28.5.29]Search in Google Scholar
[Hetenyi, M. (1946)Beams on elastic foundation, Ann Arbor Press, Ann Arbor Michigan.]Search in Google Scholar
[Lasdon, L. S. – Waren, A. D. – Jain, A. – Ratner, M. (1978)Design and testing of a generalized reduced gradient code for nonlinear programming, ACM Transactions on Mathematical Software, 4, 1, 34-49.10.1145/355769.355773]Search in Google Scholar
[Press, W. H. – Teukolsky, S. A. – Vetterling, W. T. – Flannery, B. P. (2007). Numerical recipes, 3rd ed.: The art of scientific computing. Cambridge University Press.]Search in Google Scholar
[Szép, J. – Ray, R. P. (2013)Integrating Nonlinear Pile Behavior with Standard Structural Engineering Software, Proceedings of 18th Int’l Conf on Soil Mech Geot Engrg, Paris 2869-72.]Search in Google Scholar
