Ascher, Marcia <br/><br/>
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 .
<br/><br/><label>ISBN: </label>0486295540 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Matemáticas--Historia
<br/><br/><label>LC Class. No.: </label>QA21  / A83 1997