Virtual reference services :  issues and trends / 
Stacey Kimmel, Jennifer Heise, editors 
 - New York :  The Haworth Information Press,  2003 
 - 194 p. :  ill. ;  23 cm 
<br/><br/><label>ISBN: </label>0789020440 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic reference services (Libraries)<br/>Electronic reference services (Libraries)--United States--Case studies<br/>Internet in library reference services<br/>Reference services (Libraries)--Information technology