Virtual reference service :  from competencies to assessment / 
edited by R. David Lankes ...[and others]. 
 - xv, 206 pages :  illustrations ;  23 cm. 
 - Virtual reference desk series .
<br/><br/><label>ISBN: </label>1856046389 9781856046381 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic reference services (Libraries).<br/>Reference services (Libraries) --Information technology.<br/>Electronic reference services (Libraries) --Study and teaching.<br/>Reference librarians --Effect of technological innovations on.
<br/><br/><label>LC Class. No.: </label>Z711.45   / .V57 2008