@ARTICLE{
author={Grujic Marko M,Zarenia M,Tadic Milan Z,Peeters Francois M},
year={2012},
title={Interband optical absorption in a circular graphene quantum dot},
journal={PHYSICA SCRIPTA},
volume={T149},
number={},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Grujic Marko M,Zarenia M,Chaves A,Tadic Milan Z,Farias GA,Peeters Francois M},
year={2011},
title={Electronic and optical properties of a circular graphene quantum dot in a magnetic field: Influence of the boundary conditions},
journal={PHYSICAL REVIEW B},
volume={84},
number={20},
pages={-},
document_type={Article},
}