Nisar Ahmad <br/><br/>
Botany  : viruses, bacteria, fungi, algae and lichens 
Professor Nisar Ahmad 
 - Islamabad:  Higher Education Commission,  2007. 
 - xxix,305p. 
<br/><br/> PB 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>9694171016 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Lichens<br/>Viruses<br/>Bectetia
<br/><br/><label>Dewey Class. No.: </label>579  / NIB