Rasmussen, Douglas B | Den Uyl, Douglas J <br/><br/>
Liberty and Nature 
Rasmussen, Douglas B | Den Uyl, Douglas J 
 - La Salle  Open Court Publishers  1991 
 - 268p. 
<br/><br/><label>ISBN: </label>812691202 
<br/><br/><label>Source: </label>Textbook