. "Oscura palabra / Oliver Welden, 2010. - . - Bibliothèque nationale, Chili. - http://www.bncatalogo.ch. - 2012-06-04"@fr . . . . . "Oliver Welden"@fr . "2012-06-04" . "Oliver Welden" . "Welden" . "1946"^^ . . . . . "VIAF" . . "Oliver" . "16601661"^^ . . . "0000000044905670" . . "2013-08-08"^^ . . "2013-08-08" . . . . . . . "male" .