@ARTICLE{
author={Popovic Gordana V,Sladic Dusan M,Stefanovic Violeta M,Pfendt Lidija B},
year={2003},
title={Study on protolytic equilibria of lorazepam and oxazepam by UV and NMR spectroscopy},
journal={JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS},
volume={31},
number={4},
pages={693-699},
document_type={Article},
} 

@ARTICLE{
author={Popovic Gordana V,Pfendt Lidija B,Stefanovic Violeta M},
year={2000},
title={Analytical application of derivative spectrophotometry},
journal={JOURNAL OF THE SERBIAN CHEMICAL SOCIETY},
volume={65},
number={7},
pages={457-472},
document_type={Review},
}