@ARTICLE{
author={Popovic Zoran V,Grujic-Brojcin Mirjana U,Paunovic Novica M,Radonjic Milos M,Araujo VD,Bernardi Maria Ines B,de Lima MM Jr,Cantarero A},
year={2015},
title={Far-infrared spectroscopic study of CeO2 nanocrystals},
journal={JOURNAL OF NANOPARTICLE RESEARCH},
volume={17},
number={1},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Askrabic Sonja M,Dohcevic-Mitrovic Zorana D,Araujo Vinicius D,Ionita G,de Lima MM Jr,Cantarero A},
year={2013},
title={F-centre luminescence in nanocrystalline CeO2},
journal={JOURNAL OF PHYSICS D-APPLIED PHYSICS},
volume={46},
number={49},
pages={-},
document_type={Article},
}