. "1"^^ . "Praha" . . "Mat\u011Bjka, Dobroslav" . . "1"^^ . . . . "Methodical center for teaching geology at elementary and secondary schools"@en . "RIV:J13/98:113102292!RIV/1998/MSM/MSM8MG0" . "[41A1056B9E2D]" . "FDR" . "774015" . "0"^^ . "Metodick\u00E9 st\u0159edisko pro v\u00FDuku geologie na S\u0160 a Z\u0160" . . . "Methodical center for teaching geology at elementary and secondary schools"@en . "Metodick\u00E9 st\u0159edisko pro v\u00FDuku geologie na S\u0160 a Z\u0160" . "RIV:J13/98:113102292" . "11310" . .