Langefors, Borje  <br/><br/>
Theoretical analysis of information system   

 - Sweden:   Studentlitterature,   1966 
 - 400p.  
<br/><br/> Vol. 1 400p. <br/>Vol. 2 400p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information science 
<br/><br/><label>Subjects--Index Terms: </label>Information system 
<br/><br/><label>Universal Decimal Class. No.: </label>D 007.001.4  / K.1