Reference service expertise / 
edited by Bill Katz 
 - New York :  Haworth Press,  1993 
 - 168 p. ;  23 cm. 
<br/><br/> 'Has also been published as The Reference librarian, no. 40, 1993'--T.p. verso 
<br/><br/>Includes bibliographical references 
<br/><br/><label>ISBN: </label>1560244607 (hbk.)  RM248.40 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference services (Libraries)--United States