Biennial report 1995/1996 - Hannover B.G.R. 1997 - 178 p. ilus., láms., maps. Subjects--Topical Terms: GEOLOGIAINFORME ANUALINSTITUCIONESINVESTIGACION GEOLOGICA Subjects--Geographic Terms: ALEMANIA Universal Decimal Class. No.: R/061.22.055.5:55(430.1)/F33/1995-96