Essentials of environmental law / 
Craig B. Simonsen, managing editor 
 - 3rd ed. 
 - Upper Saddle River, N.J. :  Pearson Prentice Hall,  c2007 
 - xlii, 312 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0132280450  RM219.91 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental law--United States<br/>Legal assistants--United States