Valls, Mario Francisco. <br/><br/>
Derecho ambiental 
Mario F. Valls. 
 - 5. ed. 
 - Buenos Aires  M.F. Valls  1997. 
 - 234 p.  18cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9504358861 
<br/><br/><label>LCCN: </label>
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental law--Argentina.<br/>Environmental law, International
<br/><br/><label>LC Class. No.: </label>KHA3421  / .V35 1997