ROSANTHAL, DAVID A <br/><br/>
AN INQUIRY DRIVER VISTON SYSTEM BASED ON VISUAL AND CONCEPTUAL HIERARENNIES 

 - MICHIGUN  UMI  1981 
 - 198P 
<br/><br/><label>ISBN: </label>0-8357-1214-1 
<br/><br/><label>Dewey Class. No.: </label>621.3819598 ROS'I