Mathies, M. Lorraine <br/><br/>
Computer-based reference service 
M. Lorraine Mathies and Peter G. Watson 
 - Chicago  American Library Association  1973 
 - xiii, 200p.:  fig, ;  24cm 
<br/><br/> Bibliogr. & Index: p. 188 - 200 
<br/><br/><label>LCCN: </label>56096 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information storage & retrieval systems<br/>Libraries-Automation
<br/><br/><label>Dewey Class. No.: </label>029.5/M431c