
Publication
HYDROCHEMICAL CONDITIONS IN THE REGION OF DOBRUDZHA COAL DEPOSIT (NE BULGARIA)
(Stef92 Technology, 2013-6-20, Aleksey Benderev)
Science and Technologies in Geology, Exploration and Mining2013
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(Stef92 Technology, 2013-6-20, Aleksey Benderev)

(Stef92 Technology, 2013-6-20, Aleksey Benderev)