"jad sylla" . "By-NC-ND 4.0" . "Ostal Pau Universit\u00E9_pt dej"@de . "Ostal Pau Universit\u00E9_pt dej"@en . "Ostal Pau Universit\u00E9_pt dej"@fr . "Ostal Pau Universit\u00E9_pt dej"@nl . "Ostal Pau Universit\u00E9_pt dej"@es . . .