Niven, Ivan. <br/><br/>
Numbers : rational and irrational   

 - New York :   Random House,   1961. 
 - 456 ;  
<br/><br/><label>ISBN: </label>0 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical Sciences
<br/><br/><label>Dewey Class. No.: </label>512.7  / NIV