@ARTICLE{
author={Peric Zoran H,Jovanovic Aleksandra Z,Milanovic Olivera D,Manojlovic V,Dincic Milan R},
year={2009},
title={Adaptive nonuniform polar quantization application to high quality speech compression},
journal={JOURNAL OF COMMUNICATIONS TECHNOLOGY AND ELECTRONICS},
volume={54},
number={12},
pages={1384-1396},
document_type={Article},
} 

@ARTICLE{
author={Peric Zoran H,Milanovic Olivera D,Jovanovic Aleksandra Z},
year={2008},
title={Optimal companding vector quantization for circularly symmetric sources},
journal={INFORMATION SCIENCES},
volume={178},
number={22},
pages={4375-4381},
document_type={Article},
}