Pen, Jan <br/><br/>
Income Distribution 
/ by Jan Pen 
 - London:  Allen Lane The Penguin Press;  1971. 
 - 424p. 
<br/><br/><label>ISBN: </label>0 7139 0179 9 
<br/><br/><label>Dewey Class. No.: </label>339.2  / PEN/I