@ARTICLE{
author={Tchoumatchenco Platon,Rabrenovic Dragoman R,Radulovic Vladan J,Malesevic Nenad},
year={2010},
title={Trans-border (east Serbia/west Bulgaria) Middle-Late Jurassic (Middle Callovian-Tithonian) Palaeogeographical Correlations. An Essay},
journal={COMPTES RENDUS DE L ACADEMIE BULGARE DES SCIENCES},
volume={63},
number={11},
pages={1619-1630},
document_type={Article},
} 

@ARTICLE{
author={Tchoumatchenco Platon,Rabrenovic Dragoman R,Radulovic Vladan J,Malesevic Nenad},
year={2010},
title={Trans-border (East Serbia/West Bulgaria) Early-middle Jurassic (Hettangian-Early Callovian) Palaeogeographical Correlations},
journal={COMPTES RENDUS DE L ACADEMIE BULGARE DES SCIENCES},
volume={63},
number={10},
pages={1505-1514},
document_type={Article},
}