@article{PMFA_2009__54_4_a2,
     author = {Hadravov\'a, Alena and Hadrava, Petr},
     title = {Z\'azem{\'\i} starom\v{e}stsk\'eho orloje v pra\v{z}sk\'e astronomick\'e \v{s}kole},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {276--280},
     publisher = {mathdoc},
     volume = {54},
     number = {4},
     year = {2009},
     language = {cz},
     url = {http://geodesic.mathdoc.fr/item/PMFA_2009__54_4_a2/}
}