SOWA,J.F <br/><br/>
CONCEPTUAL STRUCTURES, INFORMATION PROCSSING IN MIND AND MACHINE 

 - MASSACHUSETTS  WESLEY  1984 
 - 24X17 
<br/><br/><label>ISBN: </label>0201144727 
<br/><br/><label>Dewey Class. No.: </label>621.3819535 S731