1.- EXAMPLES OF ISOPACH MAPS OF DIFFERENT GEOLOGICAL REGIMES: KEUPER IN NW GERMANY AND QUATERNARY BENEATH THE CITY OF HANNOVER BARCELONA: INST. CARTOGR. CATALUNYA, 1997 SECOND CONGRESS ON REGIONAL GEOLOGICAL CARTOGRAPHY AND INFORMATION SYSTEMS. BARCELONA, CATALONIA - SPAIN. JUNE 16TH - 20 TH, 1997. PROCEEDINGS Ver registro