Chakravorty K R <br/><br/>
Science based on symmetry.V1. 

 -  1977 
<br/><br/><label>Standard No.: </label>76091 
<br/><br/><label>Source: </label> Annuals, Advances 
<br/><br/><label>Dewey Class. No.: </label>A0gB6, L7.1