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TTS Technika Transportu Szynowego > 2015 > R. 22, nr 1-2 > 33--36
Environment Protection Engineering > 2011 > Vol. 37, nr 1 > 31-38
Environment Protection Engineering > 2001 > vol. 27, nr 2 > 71-79
Environment Protection Engineering > 2001 > vol. 27, nr 3-4 > 89-99