@inproceedings{sgem2007paper, title = {THE SEISMIC MONITORING OF STRONG EARTHQUAKES - A SPECIFIC FACTOR FOR PROTECTION OF THE ENVIRONMENT}, author = {S. Simeonov and K. Hadjiyski}, booktitle = {7th International Scientific Conference - SGEM2007}, year = {2007}, pages = {}, publisher = {SGEM Scientific GeoConference}, doi = {} }