Grubb Jr, Thomas C. <br/><br/>
Ptilochronology : Feather Time and the Biology of Birds 
Grubb Jr, Thomas C. 
 -  Oxford University Press, UK  2006 
 - On-campus e-Book by ebrary under Digital Library Program of Higher Education Commission (HEC) of Pakistan 
<br/><br/><label>ISBN: </label>9780191516269     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life Science