@inproceedings{sgem2018s02083, title = {SOIL IMPROVING BY GRAVEL COLUMNS}, author = {Monika Súľovská}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Science and Technologies in Geology, Exploration and Minining}, year = {2018}, pages = {653-660}, publisher = {STEF92 Technology}, doi = {10.5593/sgem2018/1.2/s02.083} }