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Ecological Chemistry and Engineering. A > 2010 > Vol. 17, nr 2-3 > 305-311
Proceedings of ECOpole > 2009 > Vol. 3, No. 2 > 379--382
Ecological Chemistry and Engineering. A > 2010 > Vol. 17, nr 2-3 > 305-311
Proceedings of ECOpole > 2009 > Vol. 3, No. 2 > 379--382