Moran, Joseph M. <br/><br/>
Introduction to environmental science / 
Joseph M. Moran, Michael D. Morgan, James H. Wiersma. 
 - San Francisco :  W. H. Freeman ,  1980. 
 - xi, 658 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>071671020X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology.<br/>Environmental protection.<br/>Environmental policy.