Beeby, Alan. <br/><br/>
First ecology :  ecological principles and environmental issues / 
Alan Beeby, Anne-Maria Brennan. 
 - 3rd  ed. 
 - Oxford :  O. U. P.,  2008. 
 - xxix, 403  p. 
<br/><br/><label>ISBN: </label>0199298082 :  BSP 29.99 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology.<br/>Human ecology.