@ARTICLE{
author={Aleksandrov Slobodan,Jovanovic Zoran D,Antic Dragan S,Nikolic Sasa S,Peric Stanisa Lj,Aleksandrov Radica},
year={2013},
title={Analysis of the Efficiency of Applied Virtual Simulation Models and Real Learning Systems in the Process of Education in Mechatronics},
journal={ACTA POLYTECHNICA HUNGARICA},
volume={10},
number={6},
pages={59-76},
document_type={Article},
} 

@ARTICLE{
author={Cajetinac Stanimir R,Seslija Dragan D,Aleksandrov Slobodan,Todorovic Milica M},
year={2012},
title={PWM Control and Identification of Frequency Characteristics of a Pneumatic Actuator using PLC Controller},
journal={ELEKTRONIKA IR ELEKTROTECHNIKA},
volume={},
number={7},
pages={21-26},
document_type={Article},
}