@ARTICLE{
author={Doric Jovan Z,Klinar Ivan J},
year={2014},
title={Efficiency of a New Internal Combustion Engine Concept with Variable Piston Motion},
journal={THERMAL SCIENCE},
volume={18},
number={1},
pages={113-127},
document_type={Article},
} 

@ARTICLE{
author={Doric Jovan Z,Klinar Ivan J},
year={2013},
title={Efficiency Characteristics of a New Quasi-Constant Volume Combustion Spark Ignition Engine},
journal={THERMAL SCIENCE},
volume={17},
number={1},
pages={119-133},
document_type={Article},
} 

@ARTICLE{
author={Doric Jovan Z,Klinar Ivan J},
year={2011},
title={Realisation and Analysis of a New Thermodynamic Cycle for Internal Combustion Engine},
journal={THERMAL SCIENCE},
volume={15},
number={4},
pages={961-974},
document_type={Article},
}