Report of the eighteenth session, Great Britain, 1948. 

 - London,  1950-<52   > 
 - v. <1-13, 15   >  illus., plates, maps.  25 cm. 
<br/><br/>Includes "References." 
<br/><br/><label>LCCN: </label>gs 50000193  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--Congresses.
<br/><br/><label>LC Class. No.: </label>QE1  / .I6 1948c