Ascher, Marcia Ascher, Robert <br/><br/>
Code of the quipu : a study in media, mathematics, and culture 

 - Michigan :  The University of Michigan,  1981 
 - vii, 166 p  . : ilus., . : grafs 
<br/><br/><label>Source: </label>fotocopia 
<br/><br/><label>Subjects--Topical Terms: </label><br/>QUIPUS
<br/><br/><label>Subjects--Geographic Terms: </label><br/>PERU
<br/><br/><label>Dewey Class. No.: </label>BIB/20.07.06/05126