Mathematics of the Incas :
Ascher, Marcia
Mathematics of the Incas : Code of the Quipu / Marcia Ascher, Robert Ascher. - 1a ed. - Mineola, New York : DOVER Publications, Inc., 1997 - vii, 166 p. : il. ; 24 cm. - Dover science books .
0486295540
Matemáticas--Historia
QA21 / A83 1997
Mathematics of the Incas : Code of the Quipu / Marcia Ascher, Robert Ascher. - 1a ed. - Mineola, New York : DOVER Publications, Inc., 1997 - vii, 166 p. : il. ; 24 cm. - Dover science books .
0486295540
Matemáticas--Historia
QA21 / A83 1997