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© 2016 Vitalij Novickij, Irutė Girkontaitė, Audrius Grainys, Auksė Zinkevičienė, Eglė Lastauskienė, Jurgita Švedienė, Algimantas Paškevičius, Svetlana Markovskaja, Jurij Novickij, published by Slovak Academy of Sciences, Institute of Measurement Science
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