Bag, A. K. <br/><br/>
Science and civilization in India :  Harappan period (c. 3000 B. C.-c. 1500 B. C.) 

 - New Delhi :  Navrang,  1985. 
 - 173p. 
 -  Volume 1 .
<br/><br/><label>ISBN: </label>817013031X 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Dewey Class. No.: </label>Y:1.2'B  M5.1