. . "Clemens Heller" . "Heller" . "Clemens" . "http://catalogue.bnf.fr/ark:/12148/cb15342976d" . "1917"^^ . "Heller, Clemens (1917-2002)"@fr . "2002"^^ . . "15342976" . "22444977X" . "Heller"@fr . . "2019-06-26" . "2002"^^ . "Clemens"@fr . . . "2019-02-19" . "1917"^^ . . . "2002"^^ . "22444977X" . . . "1917"^^ . "15342976" .