1.- A EROSAO DOS SOLOS NO CONTEXTO SOCIAL ;SOIL EROSION IN THE SOCIAL CONTEXT UNIVERSIDADE FEDERAL DO RIO DE JANEIRO, CENTRO DE CIENCIAS MATEMATICAS E DA NATUREZA; RIO DE JANEIRO, 1994 Ver registro 2.- A FEASIBLE METHODOLOGY FOR LANDSLIDE SUSCEPTIBILITY ASSESSMENT IN DEVELOPING COUNTRIES; A CASE-STUDY OF NW NICARAGUA AFTER HURRICANE MITCH ELSEVIER; AMSTERDAM; NLD; NETHERLANDS, 2005 Ver registro 3.- A NEW INSIGHT IN THE RESEARCH IN BRAZIL; THE CTPETRO PROGRAM AMERICAN ASSOCIATION OF PETROLEUM GEOLOGISTS AND SOCIETY OF ECONOMIC PALEONTOLOGISTS AND MINERALOGIS, 2002 AAPG ANNUAL CONVENTION WITH SEPM Ver registro 4.- A PRAGMATIC APPROACH TO DEBRIS FLOW HAZARD MAPPING IN AREAS AFFECTED BY HURRICANE MITCH; EXAMPLE FROM NW NICARAGUA ELSEVIER; AMSTERDAM; NLD; NETHERLANDS, 2004 Ver registro 5.- A silent tsunami; the urgent need for clean water and sanitation Aspen Institute; Washington, DC; USA; United States, 2005 Ver registro 6.- A SYSTEMATIC APPROACH TO THE INVESTIGATION OF PESTICIDE (HCH) CONTAMINATIONS IN URBAN-INDUSTRIAL AREAS OF DEVELOPING COUNTRIES; THE CASE OF RIO DE JANEIRO METROPOLITAN AREA, BRAZIL KLUWER ACADEMIC; DORDRECHT - BOSTON - LONDON; III; INTERNATIONAL, 1998 CONTAMINATED SOIL '98; VOLUME 1 Ver registro 7.- Arsenic poisoning and remedial measures; a global scenario Geological Society of America (GSA); Boulder, CO; USA; United States, 2006 Geological Society of America, 2006 annual meeting Ver registro 8.- Artisanal gold mining; a trap of poverty and pollution BiTech Publishers; Vancouver, BC; CAN; Canada, 2009 Ver registro 9.- Assesment of publication practices in geosciences in developing countries American Geophysical Union; Washington, DC; USA; United States, 2003 AGU 2003 fall meeting Ver registro 10.- ASSESSING LAND USE/COVER CHANGE IN COSTA RICA 1996 Ver registro