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Ecological Chemistry and Engineering. A > 2013 > Vol. 20, nr 1 > 99--108
Proceedings of ECOpole > 2011 > Vol. 5, No. 2 > 467--472
Ecological Chemistry and Engineering. A > 2013 > Vol. 20, nr 1 > 99--108
Proceedings of ECOpole > 2011 > Vol. 5, No. 2 > 467--472