Thomsen, Elizabeth. <br/><br/>
Rethinking reference :  the reference librarian's practical guide for surviving constant change / 
Elizabeth Thomsen. 
 - New York :  Neal-Schuman,  c1999. 
 - xviii, 291 p. :  ill. ;  23 cm. 
<br/><br/> Includes  index. 
<br/><br/><label>ISBN: </label>155570364X (pbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference services (Libraries)--United States.