@ARTICLE{
author={Babovic Vukota M,Babovic Milos},
year={2014},
title={The Sun lightens and enlightens: high noon shadow measurements},
journal={EUROPEAN JOURNAL OF PHYSICS},
volume={35},
number={6},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Babovic Milos,Babovic Vukota M},
year={2013},
title={How needless are Buffon's needles?},
journal={EUROPEAN JOURNAL OF PHYSICS},
volume={34},
number={3},
pages={715-728},
document_type={Article},
}