Soergel, Dagobert <br/><br/>
Organizing information: Principles of database and retrieval systems 

 - Orlando  Academic Press  1985 
 - xvi,450p. 
<br/><br/><label>ISBN: </label> USD 24.95 
<br/><br/><label>Source: </label> USD 24.95 
<br/><br/><label>Dewey Class. No.: </label>025.0480 SOE