Armstrong, Howard <br/><br/>
Microfossils (2nd Edition) 
Armstrong, Howard 
 -  Wiley-Blackwell  2009 
 - On-campus e-Book by ebrary under Digital Library Program of Higher Education Commission (HEC) of Pakistan 
<br/><br/><label>ISBN: </label>9781405141116     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical Science