Lloyd J.R. <br/><br/>
Man and the ecosystem /  J.R. Lloyd. 

 - Houndmills :  Macmillan,  1980. 
 - viii,152 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0333260988 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.