Rosenthal, Dorothy B . <br/><br/>
Environmental science activities /  
Dorothy B.Rosenthal. 
 - New York :   John Wiley ,   1995. 
 - 236p. :   ills ;   22cm .  
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>0471076260  USD 15.95 
<br/><br/><label>Subjects--Index Terms: </label>ENVIRONMENTAL SCIENCE 
<br/><br/><label>Dewey Class. No.: </label>372.357  / ROS/E