Keywords: Siebert SIE3.jpeg Author and source José Aguiar en wikipedia 2005-10-13 Francisco de Almeida wikipedia en PD-author original upload log page en wikipedia Siebert_SIE3 jpeg 2005-10-13 09 26 Francisco de Almeida 640×439×8 87009 bytes <nowiki>Author and source José Aguiar</nowiki> Siebert gliders |