@ARTICLE{
author={Savic Ljubinko D,Jankovic Radisa,Vidanovic Nebojsa,Lutovac Suzana M},
year={2011},
title={The character of the correlation between drilling speed and changes of the observed technical parameters in various working environments},
journal={TECHNICS TECHNOLOGIES EDUCATION MANAGEMENT-TTEM},
volume={6},
number={2},
pages={392-402},
document_type={Article},
} 

