Mitchell, Paul. <br/><br/>
101 key ideas in ecology/ 
Paul Mitchell. 
 - 104 s. ; 
<br/><br/><label>ISBN: </label>9780340782095 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ekoloji
<br/><br/><label>Dewey Class. No.: </label>574.5