@misc{PMFA_1976_21_5_a6,
     title = {Detekce gravita\v{c}n{\'\i}ch vln [foto]},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {270},
     year = {1976},
     volume = {21},
     number = {5},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1976_21_5_a6/}
}