Ifrah, Georges <br/><br/>
Universal history of numbers : The world's first number-systems 

 - New Delhi  Penguin Books  2005 
 - xxiv, 715p;  
<br/><br/> Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>143032577 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematics -- Numbers<br/>Numbers -- History of