Machholz, Don <br/><br/>
Observing Guide to the Messier Marathon : A Handbook and Atlas 
Machholz, Don 
 -  Cambridge University Press  2002 
 - On-campus e-Book by ebrary under Digital Library Program of Higher Education Commission (HEC) of Pakistan 
<br/><br/><label>ISBN: </label>9781139147286     
<br/><br/><label>Subjects--Topical Terms: </label><br/>Physical Science