Wellisch, Hans ( Hanan) <br/><br/>
Subject Retrieval In The Seventies 
/ edited by  Hans ( Hanan) Wellisch 
 - Maryland;  Greenwood Publishing Company:  1972. 
 - 180p. 
<br/><br/><label>ISBN: </label>0837163226 
<br/><br/><label>Dewey Class. No.: </label>025.33  / WEL/S