Simmons, I. G.  1937- <br/><br/>
Earth, air, and water :  resources and environment in the late 20th century / 
I.G. Simmons. 
 - London ;  New York :  Edward Arnold :  Distributed in the USA by Routledge, Chapman and Hall,  c1991. 
 - vi, 254 p. :  ill., maps ;  26 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>ISBN: </label>0340524154 
<br/><br/><label>Source: </label>B-18213 
<br/><br/><label>LCCN: </label>91021407  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Human ecology.<br/>Natural resources.<br/>Conservation of natural resources.
<br/><br/><label>LC Class. No.: </label>HD111.S5 1991  / .S5 1991 
<br/><br/><label>Dewey Class. No.: </label>363.7