Brophy Peter <br/><br/>
Measuring library performance : Principles and techniques .-978-1-85604-593-3 

 -  Facet Publishing, London, UK, London  2006 
<br/><br/><label>ISBN: </label>978-1-85604-593-3 
<br/><br/><label>Dewey Class. No.: </label>2:8/