West, George C. <br/><br/>
Do Hummingbirds Hum? : Fascinating Answers to Questions about Hummingbirds 
West, George C. 
 -  Rutgers University Press  2010 
 - On-campus e-Book by ebrary under Digital Library Program of Higher Education Commission (HEC) of Pakistan 
<br/><br/><label>ISBN: </label>9780813549286     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life Science