International Geological Congress 27th Reports 

 - Moscow  Nauka Publication  1984 
<br/><br/><label>ISSN: </label>5273 
<br/><br/><label>Standard No.: </label>
<br/><br/><label>LC Class. No.: </label>01IGCTR      
<br/><br/><label>GPO Item No.: </label>1005273