SCHMITT, A., R. KATZENBACH, and J. TUREK. “Reducing the Costs for Deep Foundations of High-Rise Buildings by Advanced Numerical Modelling”. ITU ARI Bulletin of Istanbul Technical University, vol. 53, no. 02, Sept. 2003, pp. 81-87, https://ari.itu.edu.tr/index.php/ituari/article/view/42.