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An. Acad. Bras. Ciênc. v.74 n.2 Rio de Janeiro jun. 2002  Mathematical Sciences | | | | | | · Periodic perturbations of quadratic planar polynomial vector fields
MESSIAS, MARCELO
| | | | | | · Maximum principles for hypersurfaces with vanishing curvature functions in an arbitrary Riemannian manifold
FONTENELE, FRANCISCO X.; SILVA, SÉRGIO L.
| | | | | | · A note on tensor fields in Hilbert spaces
BILIOTTI, LEONARDO; MERCURI, FRANCESCO; TAUSK, DANIEL V.
| | | | | Chemical Sciences | | | | | | · New enamine derivatives of lapachol and biological activity
OLIVEIRA, MAILCAR F.; LEMOS, TELMA L.G.; MATTOS, MARCOS C. DE; SEGUNDO, TACIANA A.; SANTIAGO, GILVANDETE M.P.; BRAZ-FILHO, RAIMUNDO
| | | | | Biological Sciences | | | | | | · Molecular variability in Amerindians: widespread but uneven information
SALZANO, FRANCISCO M.
| | | | | Biomedical and Medical Sciences | | | | | | · Physiopathological modulators of amyloid aggregation and novel pharmacological approaches in Alzheimer's disease
DEFELICE, FERNANDA G.; FERREIRA, SÉRGIO T.
| | | | | | · "In vivo" toxicity of a truncated version of the Drosophila Rst-IrreC protein is dependent on the presence of a glutamine-rich region in its intracellular domain
MACHADO, RICARDO C.; PEREIRA, RODRIGO N.R.; COSTA, MARA S.A.; RAMOS, RICARDO GUELERMAN P.
| | | | | Earth Sciences | | | | | | · 40Ar/39Ar geochronology at the Instituto de Geociências, USP: instrumentation, analytical procedures, and calibration
VASCONCELOS, PAULO M.; ONOE, ARTUR T.; KAWASHITA, KOJI; SOARES, ADALBERTO J.; TEIXEIRA, WILSON
| | | | | | · Geological features and the Paleoproterozoic collision of four Archean crustal segments of the São Francisco Craton, Bahia, Brazil: a synthesis
BARBOSA, JOHILDO S.F.; SABATÉ, PIERRE
| | | | | Summary of Communications | | | | | | · Mode of life of the macrofossils from the cabeças formation (Devonian), Parnaíba Basin, Brazil
SILVA, CLEBER F. DA; MACHADO, DEUSANA M.C.
| | | | | | · Paleogeographic distribution of Nuculites Conrad, 1841 and Cucullella McCoy, 1851 (Mollusca/Bivalvia)
MACHADO, DEUSANA M.C.; FONSECA, VERA M.M.
| | | | | | · Some devonian Chonetoidea (Brachiopoda) from the Amazon and Parnaíba Basins, Brazil, and their stratigraphic and paleogeographic implications
FONSECA, VERA M.M.; MACHADO, DEUSANA M.C.
| | | | | | · On a fossil lobster (Decapoda, Malacostraca, Crustacea) from the Riachuelo Formation, Albian of the Sergipe Basin, Brazil
TURBAY, CAIO V.G.; CESERO, PEDRO; KOUTSOUKOS, EDUARDO A.
| | | | | | · The importance of fossil taxa in the knowledge of Neopterygian interrelationships
BRITO, PAULO M.; MACHADO, LÚCIO P.C.; AMARAL, CESAR R.; MAYRINCK, DIOGO DE
| | | | | | · Remarks on the enchodontid fishes from the Atlântida Formation, Pelotas Basin
COELHO, PABLO M.; GALLO, VALÉRIA; FIGUEIREDO, FRANCISCO J. DE
| | | | | | · An overview of the Leptolepis-like fishes from the Santana Formation, Northeastern Brazil
FIGUEIREDO, FRANCISCO J. DE; GALLO, VALÉRIA
| | | | | | · Allometric scaling and heterochrony in Mesosaurids (Amniota, Sauropsida) from the Irati Formation (Permian of the Paraná Basin, Brazil)
CAVALCANTI, MAURO J.
| | | | | | · Gondwana biogeography: a phylogenetic approach
AVILLA, LEONARDO S.; CANDEIRO, CARLOS R.A.; BUCKUP, PAULO A.; BERGQVIST, LÍLIAN P.
| | | | | | · A brief note on the paleofauna of "Tartaruguito site", Adamantina Formation, Bauru Group, Brazil
HENRIQUES, DEISE D.R.; SUÁRES, JOSÉ M.; AZEVEDO, SERGIO A.K.; CAPILLA, RAMSES; CARVALHO, LUCIANA B.
| | | | | | · Morphological variation among the appendicular bones of the Titanosauridae (Dinosauria: Sauropoda) from the Bauru Basin (upper Cretaceous) of Peirópolis (MG), Brazil
TROTTA, MARCELO N.F.
| | | | | | · Dinosaur osteoderms from the Adamantina Formation, upper Cretaceous of São Paulo State, Brazil
TORRES, SANDRA R.; AVILLA, LEONARDO S.; ABRANTES, ÉRIKA A.L.; BERGQVIST, LÍLIAN P.
| | | | | | · Methodological parameters for the identification and taxonomic classification of isolated theropodomorph teeth
FRANCO-ROSAS, ALDIRENE C.
| | | | | | · On the occurrence of an avian vertebra in Cretaceous strata of Morocco, Africa
RIFF, DOUGLAS; KELLNER, ALEXANDER W.A.; MADER, BRYN; RUSSEL, DALE
| | | | | | · Method for palynological preparation: a tool to increase the recovery of dinoflagellates
OLIVEIRA, ANTONIO D. DE; MENDONÇA-FILHO, JOÃO G.; CARVALHO, MARCELO A.; MENEZES, TAÍSSA R.; LANA, CECÍLIA C.; BRENNER, WOLFRAM W.
| | | | | | · Middle Cretaceous palynological assemblages rich in copepod eggs: their paleoecological significance
ARAI, MITSURU
| | | | | | · Ostracodes from the Rio da Batateira Formation (Lower Cretaceous, Araripe Basin): preliminary results on systematics, biostratigraphy and paleoecology
SYRIO, VANESSA N.; RIOS-NETTO, ARISTÓTELES M.
| | | | | | · Rhabdosphaera clavigera (calcareous nannofossils) as paleotemperature indicators: a comparison with isotopic data
WANDERLEY, MARIA DOLORES; MCMANUS, JERRY F.
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