Pen, J.  1921- <br/><br/>
Income distribution / 
Jan Pen. 
 - Harmondsworth :  Penguin,  1974. 
 - 437 p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0140212590 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Income distribution.