Evaluating and measuring the value, use and impact of digital collections / 
edited by Lorna M. Hughes 
 - London :  Facet Publishing,  2011 
 - xvii, 181 p. :  ill. ;  24 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>9781856047203 (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library materials--Digitization<br/>Digital preservation