wolfgang Klas,michael Schreft <br/><br/>
Metaclasses and their application: data model tailoring and database integeration 

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 -  Springer-Verlag  1995 
 - 200 
<br/><br/>  
<br/><br/><label>ISBN: </label>3-540-60063-9 
<br/><br/><label>Dewey Class. No.: </label>004