@ARTICLE{
author={Andjelkovic Tatjana D,Perovic Jelica M,Purenovic Milovan M,Blagojevic Srdjan D,Nikolic Ruzica S,Andjelkovic Darko H,Bojic Aleksandar Lj},
year={2006},
title={Spectroscopic and potentiometric studies on derivatized natural humic acid},
journal={ANALYTICAL SCIENCES},
volume={22},
number={12},
pages={1553-1558},
document_type={Article},
} 

@ARTICLE{
author={Purenovic Milovan M,Perovic Jelica M,Bojic Aleksandar Lj,Andjelkovic Tatjana D,Bojic Danijela V},
year={2004},
title={Cu and Cd removal from wastewater by a microalloyed aluminium composite},
journal={ENVIRONMENTAL CHEMISTRY LETTERS},
volume={2},
number={2},
pages={59-63},
document_type={Article},
}