@inproceedings{sgem2018s06049,
  title = {DEPOSITIONAL ENVIRONMENTS AND DIAGENESIS OF DEVONIAN BLACK SHALES (CASE STUDY VOLGA-URAL REGION, RUSSIA)},
  author = {A. N. Kolchugin},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Science and Technologies in Geology, Exploration and Mining},
  year = {2018},
  pages = {375-380},
  publisher = {STEF92 Technology},
  doi = {10.5593/sgem2018/1.4/s06.049}
}