Study of circulation control systems  public libraries, college and university libraries, special libraries 
George Fry & Associates, Inc. 
 - Chicago, Ill.  American Library Association  1961 
 - vii, 138 pages :    illustration, tables. ;    28 cm. 
 - Library technology project .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Libraries--Circulation, loans<br/>Charging systems (Libraries)