Activity report 2011 

 - Hannover  BGR  2012 
 - 148 p.  ilus. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>GEOLOGIA<br/>INFORME ANUAL<br/>INSTITUCIONES<br/>INVESTIGACION GEOLOGICA
<br/><br/><label>Subjects--Geographic Terms: </label><br/>ALEMANIA
<br/><br/><label>Universal Decimal Class. No.: </label>R/061.22.055.5:55(430.1)/F33/2011