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Issue Date | Title | Author(s) | |
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1 | 2016 | Analysis of the state of ambient air in the border region Bulgaria Romania | Filipova, Margarita; Zheleva, Ivanka; Rusev, Petar; Stefanova, Antoaneta; Tcvetanova, Irina Ivanova |
2 | 2016 | Particulate matter (PM) air pollution in the transboundary region Ruse-Giurgiu | Tcvetanova, Irina Ivanova |