"Karl Raimund Popper"@cs . "Karl Popper"@cs . "K. R. Poppera"@cs . "Popperov\u011B"@cs . . "26"^^ . "Popper"@cs . "K. Poppera"@cs . . "Karl R. Popperem"@cs . "Popperova"@cs . . "Karlem Popperem"@cs . "1247826"^^ . . "Karlu Popperovi"@cs . "Karla Poppera"@cs . "1"^^ . "Popper\u016Fv"@cs . "Karl Popperem"@cs . "14373460"^^ . "K. R. Popper"@cs . "Karla Raimunda Poppera"@cs . "Popper, Karl R."@cs . "Karl Raimund Popper"@cs . "Popperovou"@cs .