Korf,Richard E. <br/><br/>
Learning to solve problems by searching for macro-operators   
by Richard E Korf 
 - Boston  Pitman advanced  1985 
 - 147p. 
 - Research notes in artificial intelligence 5 .
<br/><br/><label>ISBN: </label>0273086901 
<br/><br/><label>Dewey Class. No.: </label>001.535  / N854