@ARTICLE{
author={Bosnjakovic Nada S,Uskokovic-Markovic Snezana M,Mioc Ubavka B},
year={2003},
title={Characterization of the barium salt of 12-tungstophosphoric acid by spectroscopic methods},
journal={CONTEMPORARY STUDIES IN ADVANCED MATERIALS AND PROCESSES},
volume={413},
number={},
pages={135-139},
document_type={Article},
} 

@ARTICLE{
author={Mioc Ubavka B,Todorovic Marija R,Uskokovic-Markovic Snezana M,Nedic Zoran P,Bosnjakovic Nada S},
year={2000},
title={A spectroscopic investigation of 12-tungstophosphoric acid alkali salts},
journal={JOURNAL OF THE SERBIAN CHEMICAL SOCIETY},
volume={65},
number={5-6},
pages={399-406},
document_type={Article},
}