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APA Citation Edition CitationUrton, G. (2003). Signs of the Inka Khipu: Binary coding in the Andean knotted-string records. University of Texas Press.
Chicago Citation Edition CitationUrton, Gary. Signs of the Inka Khipu: Binary Coding in the Andean Knotted-string Records. Austin, Tex.: University of Texas Press, 2003.
MLA Citation Edition CitationUrton, Gary. Signs of the Inka Khipu: Binary Coding in the Andean Knotted-string Records. University of Texas Press, 2003.