@ARTICLE{
author={Damljanovic Goran M,Taris Francois,Andrei Alexandre},
year={2018},
title={Remarks of Gaia DR1 magnitude using ground-based optical monitoring of QSOs},
journal={ASTROMETRY AND ASTROPHYSICS IN THE GAIA SKY},
volume={12},
number={S330},
pages={88-89},
document_type={Proceedings Paper},
} 

@ARTICLE{
author={Taris Francois,Damljanovic Goran M,Andrei Alexandre,Souchay J,Klotz A,Vachier F},
year={2018},
title={Variability of extragalactic sources: its contribution to the link between ICRF and the future Gaia Celestial Reference Frame},
journal={ASTRONOMY & ASTROPHYSICS},
volume={611},
number={},
pages={-},
document_type={Article},
}