20th International geograhical congress :  abstracts of papaers / 
edited by F.E.Ian Hamilton. 
 - London :  Thomas  Nelson and sons ,   1964. 
 - vi, 360 p. ;   30 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geography-- Congresses.<br/>Geography-- Abstracts.