1.- A NEW AREA OF ALKALINE ROCKS IN EASTERN PARAGUAY 1992 Ver registro 2.- MAGMATISMO ALCALINO MESOZOICO DO PARAGUAI CENTRO-ORIENTAL: CONSIDERA\OES PETROGENETICAS 1993 Ver registro 3.- O COMPLEXO VULCANICO DO MONTE BAMBOUTO (LINHA DOS CAMAROES): ASPECTOS PETROLOGICOS E GEOQUIMICOS 1993 Ver registro 4.- PETROLOGICAL AND SR-ND EVIDENCE BEARING ON EARLY PROTEROZOIC MAGMATIC EVENTS OF THE SUBCONTINENTAL MANTLE; SAO FRANCISCO CRATON (UAUA, NE-BRAZIL) SPRINGER INTERNATIONAL; HEIDELBERG-NEW YORK; III; INTERNATIONAL, 1995 Ver registro 5.- PETROLOGY AND GEOCHEMISTRY OF THE MAFIC DYKE SWARM OF THE TRIENTA Y TRES REGION, NORTHEAST URUGUAY PERGAMON; OXFORD; GBR; UNITED KINGDOM, 1996 Ver registro 6.- THOLEIITIC DYKE SWARM FROM THE PONTA GROSSA ARCH AND GENETIC RELATIONSHIPS TO THE PARANA FLOOD VOLCANICS (BRAZIL) 1989 Ver registro
