Krohne, David T. <br/><br/>
General ecology / 
David T. Krohne. 
 - 2nd ed. 
 - Pasig City :  CENGAGE Learning,  2012. 
 - 565 p. : ill. ; 25 cm 
<br/><br/> Includes glossary and index 
<br/><br/><label>ISBN: </label>139789814410625 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology