Vickery, B. C.  <br/><br/>
On retrieval system theory/ 
B.C. Vickery. 
 - Second edition. 
 - London:  Butterworths,  1965. 
 - xii, 191 pages:  illustrations. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information storage and retrieval systems.
<br/><br/><label>LC Class. No.: </label>Z 699  / VIC 1965.