1.- GEOPHYSICAL AND GEOCHEMICAL CARTOGRAPHY ON THE GEOLOGICAL STUDIES, MINERAL EXPLORATIONS AND GEOENVIRONMENTAL PROBLEMS 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
BARCELONA: INST. CARTOGR. CATALUNYA, 1997