Tedd, Lucy A. <br/><br/>
An introduction to computer-based library systems / 
L.A. Tedd. 
 - London :  Heyden,  c1979. 
 - xiv, 208 p.: ill. 
<br/><br/> Includes appendices and indices 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Library science--Data processing<br/>Information storage and retrieval system