Environmental protection as an element of order policy ; Ed. by Josef Thesing and Wilhelm Hofmeister. 

 - Sankt Augustin :  KAS,  1996. 
 - 207p. 
<br/><br/><label>ISBN: </label>3931575209 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental--Protection.<br/>Environmental--Policy--Ecology.<br/>Environmental--Sciences.