002 013-021-IR(10)ir.ptir.org/artykuly/pl/70/IR(70)_1183_pl.pdf · spectrum was relatively low,...
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002 013-021-IR(10)ir.ptir.org/artykuly/pl/70/IR(70)_1183_pl.pdf · spectrum was relatively low, which was confirmed by the Fisher's test. There were some significant frequencies