Implementing digital reference services :  setting standards and making it real / 
edited by R. David Lankes, Charles R. McClure and Abbey S. Kasowitz 
 - London :  Facet,  2003 
 - xv, 232 p. ;  28 cm. 
<br/><br/><label>ISBN: </label>1856044629 (pbk.)  RM291.60 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic reference services (Libraries)--Congresses