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Issue DateTitleAuthor(s)
12016Analysis of the state of ambient air in the border region Bulgaria RomaniaFilipova, Margarita; Zheleva, Ivanka; Rusev, Petar; Stefanova, Antoaneta; Tcvetanova, Irina Ivanova
22016Particulate matter (PM) air pollution in the transboundary region Ruse-GiurgiuTcvetanova, Irina Ivanova