Communicative Technologies in the Ancient Andes: Decoding the Inka Khipu Signs of the Inka Khipu: Binary Coding in the Andean KnottedString Records. By Gary Urton. Austin: University of Texas Press, 2003.
Communicative Technologies in the Ancient Andes: Decoding the Inka Khipu Signs of the Inka Khipu: Binary Coding in the Andean KnottedString Records. By Gary Urton. Austin: University of Texas Press, 2003.
