@ARTICLE{
author={Praskalo Jovica Z,Davidovic Jasna Dj,Kocic Biljana V,Zivkovic Monika M,Pejovic Svetlana M},
year={2014},
title={A Survey of Short-Term and Long-Term Stability of Tube Parameters in a Mammography Unit},
journal={NUCLEAR TECHNOLOGY & RADIATION PROTECTION},
volume={29},
number={4},
pages={321-325},
document_type={Article},
} 

@ARTICLE{
author={Ciraj-Bjelac Olivera F,Praskalo Jovica Z,Davidovic Jasna Dj,Zivkovic Monika M},
year={2011},
title={Physical and Technical Aspects of Quality Assurance in Mammography in the Republic of Srpska},
journal={NUCLEAR TECHNOLOGY & RADIATION PROTECTION},
volume={26},
number={2},
pages={171-176},
document_type={Article},
}