Avila, Humberto <br/><br/>
Theory of legal principle 

 - London:  Springer,  2007. 
 - xiv,150p. 
 - law and philosophy library no. 81 .
<br/><br/> 1. Law--Interpretation and construction<br/>2. Jurisprudence 
<br/><br/><label>ISBN: </label>9781402058783 
<br/><br/><label>Dewey Class. No.: </label>340 AVI