Proceedings of the Geologists' Association 

 - Surrey 
 - trimestral 
<br/><br/> Existencias: 1957-63:68(3); 70(3); 71(3,4); 72(4); 73(1,4); 74(1) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOLOGIA