@ARTICLE{
author={Petrovic Jovan R,Gvozdenac Urosevic Branka D,Polc Josip J},
year={2012},
title={Reasons for Heat Demand Changes and Effects on Planning and Development of Heating Systems},
journal={THERMAL SCIENCE},
volume={16},
number={},
pages={S63-S77},
document_type={Article},
}