@ARTICLE{
author={Mihajlovic Spomenko J,Popeskov Dragan,Lazovic Caslav,Smiljanic Nenad},
year={2006},
title={Geomagnetic field measurements at magnetic repeat stations in former Yugoslavia},
journal={GEOMAGNETICS FOR AERONAUTICAL SAFETY},
volume={},
number={},
pages={43-60},
document_type={Proceedings Paper},
} 

@ARTICLE{
author={Mihajlovic Spomenko J,Lazovic Caslav},
year={2006},
title={The disturbances of the solar-geomagnetic activity},
journal={2006 12th International Power Electronics and Motion Control Conference, Vols 1-4},
volume={},
number={},
pages={557-562},
document_type={Proceedings Paper},
}