scientific article published on 01 January 2009
author: Anetta Undas, Adam Torbicki, Krystyna Zawilska, Rafał Niżankowski, Jan Brozek, Anita Olejek, Jan Sznajd, Arkadiusz Jawień, Ewa Mayzner-Zawadzka, Tomasz Pasierski, Roman Jaeschke
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