@inproceedings{sgem2011s03119, title = {IMPACT OF GAS EXTRACTION FROM COAL DEPOSITS ON THE ENVIRONMENT}, author = {Erika Škvareková}, booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; SGEM2011 11th International Multidisciplinary Scientific GeoConference}, year = {2011}, pages = {}, publisher = {Stef92 Technology}, doi = {10.5593/sgem2011/s03.119} }