Martin Schader,wolfgang Gaul <br/><br/>
Knowledge ,data and computer assisted decisions 

 - 
 -  Springer-Verlag  1990 
 - 421 
<br/><br/>  
<br/><br/><label>ISBN: </label>3-540-52712-5 
<br/><br/><label>Dewey Class. No.: </label>004.891