@ARTICLE{
author={Popov Nikola Z,Vukosavic Slobodan N},
year={2017},
title={Estimator of the Rotor Temperature of Induction Machine Based on Terminal Voltages and Currents},
journal={IEEE TRANSACTIONS ON ENERGY CONVERSION},
volume={32},
number={1},
pages={155-163},
document_type={Article},
} 

@ARTICLE{
author={Popov Nikola Z,Vukosavic Slobodan N,Levi Emil},
year={2014},
title={Motor Temperature Monitoring Based on Impedance Estimation at PWM Frequencies},
journal={IEEE TRANSACTIONS ON ENERGY CONVERSION},
volume={29},
number={1},
pages={215-223},
document_type={Article},
}