Biennial report 1997/1998 

 - Hannover  B.G.R.  1999 
 - 202 p.  ilus., láms., maps. 
<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)/F33/1997-98