Arms, Karen <br/><br/>
Environmental science 

 - 2nd ed. 
 - Philadelphia :  Sauders College Publishing,  1994 
 - 546, 13 p. :  ill.,  28 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0030985692 
<br/><br/><label>LCCN: </label>93-085659 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Environmental sciences