@ARTICLE{
author={Nikolic Dragisa,Nesic Ljubisa D},
year={2012},
title={Determination of surface tension coefficient of liquids by diffraction of light on capillary waves},
journal={EUROPEAN JOURNAL OF PHYSICS},
volume={33},
number={6},
pages={1677-1685},
document_type={Article},
} 

@ARTICLE{
author={Nikolic Dragisa,Nesic Ljubisa D},
year={2011},
title={Verification of the uncertainty principle by using diffraction of light waves},
journal={EUROPEAN JOURNAL OF PHYSICS},
volume={32},
number={2},
pages={467-477},
document_type={Article},
}