@article{PMFA_1972_17_4_a9,
     author = {Ka\v{s}par, Emil},
     title = {Modernizace \v{s}kolsk\'e fyziky - iluze a skute\v{c}nost},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {207--212},
     year = {1972},
     volume = {17},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1972_17_4_a9/}
}