Use of library materials  the University of Pittsburgh study 
Allen Kent ... (et al.) 
 - New York  Marcel Dekker  1979 
 - xiii, 272 pages ;    24 cm. 
 - Books in library and information science  v. 26 .
<br/><br/><label>ISBN: </label>0824768078 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Libraries, University and college--Administration<br/>Libraries, University and college--Use studies<br/>Library cooperation