lioyd,J.R. <br/><br/>
Man and the ecosystem 
TR Lloyd 
 - Hemipshire  Macmillian education  1980 
 - viii,152p.,ill.  Pbk 
<br/><br/><label>ISBN: </label>0333260988 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Foundation of biology
<br/><br/><label>LC Class. No.: </label>TD881,W66 1989