@article{PMFA_1957_2_5_a5,
     author = {M\"uller, V.},
     title = {Pozn\'amky k experiment\'aln{\'\i}mu studiu fysik\'aln{\'\i}ch vlastnost{\'\i} vulkanis\'at\r{u} kau\v{c}uku},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {552--559},
     year = {1957},
     volume = {2},
     number = {5},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1957_2_5_a5/}
}