@inproceedings{sgem2011s03143, title = {THE EFFECTS OF DISCONTINUITIES ON GROUND CONTROL IN EAST ALBORZ COAL MINES, SHAHROOD, SEMNAN PROVINCE, IRAN}, author = {Mohammad Javanshir Giv}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference}, year = {2011}, pages = {}, publisher = {Stef92 Technology}, doi = {10.5593/sgem2011/s03.143} }