@ARTICLE{
author={Ranogajec Jonjaua G,Kasas Karolina K,Kanazir Jasmina,Mesaros AB},
year={2003},
title={Chemical activation of clay raw material*},
journal={SILICATES INDUSTRIELS},
volume={68},
number={3-4},
pages={45-48},
document_type={Article},
} 

@ARTICLE{
author={Ranogajec Jonjaua G,Kasas Karolina K,Kanazir Jasmina,Mesaros AB},
year={2002},
title={Chemical activation of clay raw material},
journal={EURO CERAMICS VII, PT 1-3},
volume={206-2},
number={},
pages={1743-1746},
document_type={Article},
}