Mathies, M. Lorraine <br/><br/>
Computer-based reference service 
M. Lorraine Mathies and Peter G. Watson 
 - Chicago  American Library Association  1973 
 - xiii, 200 p.  25 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0838901565  USD 9.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Reference services (Libraries)--Automation
<br/><br/><label>Dewey Class. No.: </label>029.5