H. Kitagawa, T L Kunii <br/><br/>
Unnormalized Relational DataModel for Office from Processor Design 

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 -  Springer-Verlag  1989 
 - 164 
<br/><br/>  
<br/><br/><label>ISBN: </label>3-540-70049-8 
<br/><br/><label>Dewey Class. No.: </label>004.65