Campbell, Neil A <br/><br/>
Essential biology 

 - 3rd ed. 
 - New  Delhi  Pearson  2007 
 - 462p. 
<br/><br/><label>ISBN: </label>9780321485250  2157 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>570 CAM N