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Scientific and Technical Information Processing > 2016 > 43 > 3 > 184-188
Scientific and Technical Information Processing > 2014 > 41 > 2 > 128-131
Scientific and Technical Information Processing > 2013 > 40 > 1 > 1-10
Scientific and Technical Information Processing > 2011 > 38 > 2 > 69-77
The Journal of Economic Inequality > 2009 > 7 > 1 > 29-54
Wiadomości Statystyczne. The Polish Statistician > 2007 > nr 5 > 82-85