Navarro/Rodríguez <br/><br/>
Deontic Logic and Legal Systems  

 -  Cambridge University Press  2014 
<br/><br/><label>ISBN: </label>9781139032711 
<br/><br/><label>Source: </label>EBOOK 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Philosophy