Derco J, Slovak Univ Technol, Fac Chem Technol, Dept Environm Sci, Radlinskeho 9, Bratislava 81237, Slovakia
Slovak Univ Technol, Fac Chem Technol, Dept Environm Sci, Bratislava 81237, Slovakia
EKOPROGRES, Trencin 91106, Slovakia
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