Vickery, B. C. <br/><br/>
Techniques of information retrieval 

 - London  ; Butterworths  , 1971 
 - viii,262p. 
<br/><br/><label>ISBN: </label> £3.90 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology
<br/><br/><label>Dewey Class. No.: </label>025.4  / VIC