@ARTICLE{
author={Brkic Miodrag V,Obradovic Djordje D,Dogan Viktor,Karoly Barta,Zivanov Milos B},
year={2013},
title={Acoustic Measurement and Monitoring System for Level of Groundwater},
journal={SENSOR LETTERS},
volume={11},
number={9},
pages={1627-1631},
document_type={Article},
} 

@ARTICLE{
author={Dogan Viktor,Brkic Miodrag V,Milosavljevic Vladimir A,Obradovic Djordje D,Zivanov Milos B},
year={2012},
title={Universal system for sending data to geophysical logging},
journal={2012 20TH TELECOMMUNICATIONS FORUM (TELFOR)},
volume={},
number={},
pages={556-559},
document_type={Proceedings Paper},
}