Numerical method for assessing the secondary stress state around the horizontal mine workings in the geo-mining conditions of the Jiu valley

by Arad, Victor, Arad, Susana, Danciu, Ciprian
Source: 1. 8th Conference on environment and mineral processing, part I 1. Ostrava : Vysoká škola báňská - Technická univerzita, 2004 1. 80-248-0558-8 1. S. 303-306