This author has not been identified. Look up 'Taras Maksymyuk' in GoogleThis author has not been identified. Look up 'Eugen Slapak' in GoogleThis author has not been identified. Look up 'Gabriel Bugár' in GoogleThis author has not been identified. Look up 'Denis Horváth' in GoogleThis author has not been identified. Look up 'Juraj Gazda' in Google