@ARTICLE{
author={Krstic Sonja V,Drincic Dragan G,Mirko Milosevic B},
year={2012},
title={Classical Guitar with and Without Resonator: Comparative Analysis of Dyinamic Characteristics},
journal={2012 20TH TELECOMMUNICATIONS FORUM (TELFOR)},
volume={},
number={},
pages={1268-1271},
document_type={Proceedings Paper},
} 

@ARTICLE{
author={Krstic Sonja V,Sajfert Vjekoslav D,Tosic Bratislav S},
year={2010},
title={Behavior of Sound Waves in Shepherd Flute on the Basis of Quantum Theory of Individual Phonons},
journal={INTERNATIONAL JOURNAL OF MODERN PHYSICS B},
volume={24},
number={17},
pages={3439-3452},
document_type={Article},
}