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19th International Multidisciplinary Scientific Geoconference SGEM 2019, Ecology, Economics, Education and Legislation, Issue 5.2
Title 19th International Multidisciplinary Scientific Geoconference SGEM 2019, Ecology, Economics, Education and Legislation, Issue 5.2 : conference proceedings Issue data Albena, Bulgaria : STEF92 Technology, Ldt. , 2019. - 720 p. Language eng - English Country BG - Bulgaria Document kind zborníky References (1) Publication Activity of SAV - Articles 
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