Actas 

 - Buenos Aires  Servicio Geológico Nacional  1982 
 - 4 ts.  ilus. 27 cm 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CONGRESOS<br/>GEOLOGIA
<br/><br/><label>Subjects--Geographic Terms: </label><br/>AMERICA LATINA
<br/><br/><label>Universal Decimal Class. No.: </label>R/061.3:55(8=6)/C74/5