Petrenko, V. D., V. T. Huzchenko, Tiutkіn O. L., and Tiutkіn D. V. “Analysis of Deformed State Structures of the Kyiv Metro Running Tunnels on a Transition Zone from spondylov’s Clay to Buchatskiy Sands”. Science and Transport Progress, no. 4(52), Aug. 2014, pp. 127-38, doi:10.15802/stp2014/27321.