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↑Werner Vycichl. 2005. "Jlân n Isîwan: Sketch of the Berber Language of the Oasis of Siwa (Egypt)," Berberstudien & A Sketch of Siwi Berber (Egypt). Ed. Dymitr Ibriszimow & Maarten Kossmann. Berber Studies, vol. 10. Cologne: Rüdiger Köppe Verlag. ISBN 3-89645-389-0