Hall, Brian K. <br/><br/>
Variation : A Central Concept in Biology 
Hall, Brian K. 
 -  Academic Press  2005 
 - On-campus e-Book by ebrary under Digital Library Program of Higher Education Commission (HEC) of Pakistan 
<br/><br/><label>ISBN: </label>9780080454467     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Life Science