@ARTICLE{
author={Popovic Zdenka,Brajovic Ljiljana M,Lazarevic Luka M,Milosavljevic Leposava},
year={2014},
title={Rail Defects Head Checking on the Serbian Railways},
journal={TEHNICKI VJESNIK-TECHNICAL GAZETTE},
volume={21},
number={1},
pages={147-153},
document_type={Article},
}