Lloyd, J. R. <br/><br/>
Man and the ecosystem / 
J. R. Lloyd. 
 - Basingstoke :  MacMillan,  1980. 
 - 160 p. :  ill. ;  23 cm. 
 - Foundations of biology series. .
 - Foundations of biology series. .
<br/><br/><label>ISBN: </label>0333260988 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.