Expert Systems:  A Manager's Guide/  English 
Karl Wiig 
 - Geneva:  International Labour Office/  1990. 
 - vi,182o.:  ill.;  24cm. 
<br/><br/><label>ISBN: </label>9221064468 
<br/><br/><label>Dewey Class. No.: </label>658.386:681.14  / INT