Weeding and maintenance of reference collections / 
Sydney J. Pierce, editor. 
 - New York :  Haworth Press,  c1990. 
 - 173 p. ;  22 cm. 
<br/><br/> Also published as Reference librarian issue no. 9. 
<br/><br/><label>ISBN: </label>1560240016 
<br/><br/><label>LCCN: </label>92026003 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference services (Libraries).<br/>Libraries--Special collections--Reference books.<br/>Reference books--Bibliography--Methodology.<br/>Discarding of books, periodicals, etc.<br/>Collection development (Libraries).