Drusa, M., and N. Giang. “Stress and Compressibility Calculation in Subsoil of High Embankments and Effectiveness of Speeding up Subsoil Consolidation”. Communications - Scientific Letters of the University of Zilina, Vol. 6, no. 3, Sept. 2004, pp. 5-9, http://journals.uniza.sk/index.php/communications/article/view/1302.