Lankes, David R. <br/><br/>
Implementing digital reference services: setting standards and making it real 

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 - London  Facet Publishing  2003 
 - xv, 232p.   
<br/><br/>   
<br/><br/><label>ISBN: </label>1-85604-462-9 
<br/><br/><label>ISSN: </label>
<br/><br/><label>Subjects--Index Terms: </label>Digital reference services  Virtual reference 
<br/><br/><label>Dewey Class. No.: </label>025.5:004.932