@article{PMFA_1984_29_4_a7,
     author = {Vl\v{c}ek, V\'aclav},
     title = {P\v{r}{\'\i}prava u\v{c}itel\r{u} integrovan\'ych p\v{r}{\'\i}rodov\v{e}dn\'ych p\v{r}edm\v{e}t\r{u} v {Anglii}},
     journal = {Pokroky matematiky, fyziky a astronomie},
     pages = {222--226},
     year = {1984},
     volume = {29},
     number = {4},
     language = {cs},
     url = {http://geodesic.mathdoc.fr/item/PMFA_1984_29_4_a7/}
}