Mackenzie, A, et al. <br/><br/>
Instant notes in ecology 

 -  Viva Books Pvt. Ltd., New Delhi  1999 
 - 321 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology; Biology
<br/><br/><label>Dewey Class. No.: </label>574.5  MAC-I