Bibliography 13th supplement 

 - Geneva:  Information and Library Service,  1968 
 - 127p.:  28 cm. 
<br/><br/>Includes bibliographical references and index. 
<br/><br/><label>Subjects--Topical Terms: </label>--Bibliography--Switzerland
<br/><br/><label>Dewey Class. No.: </label>011  / GATT