@ARTICLE{
author={Riznic Dejan T,Kovacic Bojan J},
year={2012},
title={Water Temperature Adjustment in Spas by the Aid of Heat Pumps},
journal={THERMAL SCIENCE},
volume={16},
number={4},
pages={1127-1136},
document_type={Article},
} 

@ARTICLE{
author={Kovacic Bojan J},
year={2012},
title={Role of Executive Agencies for Energy Efficiency with a View on Activities of Serbian Energy Efficiency Agency},
journal={THERMAL SCIENCE},
volume={16},
number={},
pages={S23-S33},
document_type={Article},
}