1.- MADRID: ITGE, 1991 Ver registro 2.- MADRID: ITGE, 1991 Ver registro 3.- "GEOQUIMICA DE FORMACIONES BANDEADAS DE HIERRO PERTENECIENTES AL COMPLEJO ESTRUCTURAL DE IMATACA, EDO. BOLIVAR, VENEZUELA" UNESCO; MONTEVIDEO; URY, 2001 XI CONGRESO LATINOAMERICANO DE GEOLOGIA Y III CONGRESO URUGUAYO DE GEOLOGIA. ABSTRACTS. MONTEVIDEO, 12 AL 16 NOVIEMBRE 2001. MINERALOGIA Y GEOQUIMICA Ver registro 4.- 200 YEARS OF MINING ACTIVITIES AT LA PAZ/SAN LUIS POTOSI/MEXICO; CONSEQUENCES FOR ENVIRONMENT AND GEOCHEMICAL EXPLORATION ELSEVIER; AMSTERDAM-NEW YORK; III; INTERNATIONAL, 1997 GEOCHEMICAL EXPLORATION 1995; II Ver registro 5.- A CASE OF SUCCESSFUL SOIL GEOCHEMISTRY; THE RUBIALES ZN-PB OREBODY (NW SPAIN) ELSEVIER; AMSTERDAM-NEW YORK; III; INTERNATIONAL, 1996 Ver registro 6.- A DEPOCENTER OF ORGANIC MATTER AT 7800 M DEPTH IN THE SE PACIFIC OCEAN PERGAMON; OXFORD; III; INTERNATIONAL, 2003 Ver registro 7.- A DETERMINACAO DE ESTADOS DE OXIDACAO DE ELEMENTOS EM MINEIROS E ROCHAS; 1982 Ver registro 8.- A GEOCHEMICAL MODEL OF METAL AND MINERAL DISTRIBUTIONS IN A DEEPLY WEATHERED PROFILE, CHOCO 6 CONCESSION, BOLIVAR STATE, VENEZUELA 1997 Ver registro 9.- A GEOMICROBIOLOGICAL STUDY OF SOILS COLLECTED FROM AURIFEROUS AREAS OF ARGENTINA ELSEVIER; AMSTERDAM-NEW YORK; III; INTERNATIONAL, 1996 Ver registro 10.- A soil geochemical background for northeastern Brazil Geological Society Publishing House; London; GBR; United Kingdom, 2012 Ver registro