BABIAK, Igor - DANIHELOVÁ, Anna - ČULÍK, Martin. Excitation frequency by impulse method and tuning the xylophone bars. In Acoustics High Tatras 2009 : proceedings [elektronický zdroj]. - Zvolen : Technical University Zvolen, 2009. ISBN 978-80-228-2031-8, 5 p. 1/0841/08. Požiadavky na systém: CD-ROM mechanika.