Callahan, Joan R. <br/><br/>
Recent advances and issues in enviromental science 
Joan R. Callahan. 
 - 1 th ed. 
 - Phoenix, Arizona  The Oryx Press  2000. 
 - xvii;323 p. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>1573562440 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Enviromental sciences