The influence of gypsum karst on hydrotechnical constructions in Perm region // Geological Engineering Problems in Major Construction Projects: рroceedings of the International Symposium and the 7th Asian Regional Conference of IAEG (Chengdu, China, September 9-11, 2009). – Chengdu, China, 2009. – Vol. 2. – P. 604-607. 2009Maximovich N. G., Meshcheryakova O. Y.
