Allison, Mark. <br/><br/>
Star clusters and how to observe them /  [Books]. 
Mark Allison.  
 - London :   Springer,   2006. 
 - xii, 212 p. :   . ill. ;   24 cm. 
<br/><br/><label>ISBN: </label>9781846281907 (acid-free paper) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Stars--Clusters--Observations.<br/>Stars--Clusters.