TY  - BOOK
AU  - Ascher, Marcia
AU  - Ascher, Robert
ED  - University of Michigan
TI  - Code of the quipu : a study in media, mathematics, and culture
U1  - BIB/20.07.06/05126 
PY  - 1981///
CY  - Michigan
PB  - The University of Michigan
KW  - QUIPUS
KW  - PERU
ER  -