@ARTICLE{
author={Dobratic Predrag S,Ristivojevic Mileta R,Rosic Bozidar B,Mitrovic Radivoje M,Trifkovic Dragan R},
year={2019},
title={Mathematical Model of Energy Efficiency in Internal Spur Gears},
journal={THERMAL SCIENCE},
volume={23},
number={},
pages={S1801-S1813},
document_type={Article},
}