@ARTICLE{
author={Yahia IS,Saddeek YB,Sakr GB,Knoff W,Story T,Romcevic Nebojsa Z,Dobrowolski WD},
year={2009},
title={Spectroscopic analysis and magnetic susceptibility of CuO-TeO2-V2O5 glasses},
journal={JOURNAL OF MAGNETISM AND MAGNETIC MATERIALS},
volume={321},
number={24},
pages={4039-4044},
document_type={Article},
} 

@ARTICLE{
author={Saddeek YB,Yahia IS,Dobrowolski WD,Kilanski Lukasz,Romcevic Nebojsa Z,Arciszewska M},
year={2009},
title={Infrared, Raman spectroscopy and ac magnetic susceptibility of Gd2O3-TeO2-V2O5 glasses},
journal={OPTOELECTRONICS AND ADVANCED MATERIALS-RAPID COMMUNICATIONS},
volume={3},
number={6},
pages={559-564},
document_type={Article},
}