Vickery, B. C. <br/><br/>
Information systems 

 - London:   Butterworths,   1973 
 - 350p. 
<br/><br/><label>ISBN: </label>040870456X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information science
<br/><br/><label>Subjects--Index Terms: </label>Retrieval systems Mathematical models Components 
<br/><br/><label>Universal Decimal Class. No.: </label>D 002:025.4  / K11;L3;4