Bibliography
Author Michálek Jan Co-authors Fröhlich Jiří Issue data Prachatice, 1987 File Books Author Michálek Jan Co-authors Fröhlich Jiří Issue data České Budějovice-Strakonice, 1979 File Books Author Fröhlich Jiří Co-authors Petrán Karel Issue data Sedlice, 1989 File Books Author Durdík Tomáš Co-authors Adámek Jan Fröhlich Jiří Chotěbor Petr Issue data Praha, 1998 File Books