Dmitry Skobelev. "DEVELOPMENT OF REFERENCE BOOKS ON BEST AVAILABLE TECHNIQUES IN THE EUROPEAN UNION AND IN THE RUSSIAN FEDERATION: A COMPARATIVE ANALYSIS." SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 18th International Multidisciplinary Scientific GeoConference SGEM2018, Ecology, Economics, Education and Legislation, 2018, pp. 259-266. https://doi.org/10.5593/sgem2018/5.1/s20.034