Townsend,Colin R. <br/><br/>
Essentials of Ecology 
by,Colin R. Townsend 
 - 2nd ed. 
 - Oxford  Blackwell Publishing  2003 
 - xiv,;530p.:  Ill.,Includes Bibliographical references and indexes 
<br/><br/><label>ISBN: </label>9781405103282 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology
<br/><br/><label>LC Class. No.: </label>QH541  / .T66 2003