Sterling, Leon <br/><br/>
The art of Prolog:  advanced programming techniques.- 2nd Ed./ 
Leon Sterling, Ehud Shapiro 
 - New Delhi  PHI  1996 
 - xxxix, 509p. 
<br/><br/><label>ISBN: </label>9 788120 310483 
<br/><br/><label>Dewey Class. No.: </label>004.43 PR  / STE