Title:El subgénero Megachile (Dasymegachile) Mitchell con especial referencia a las especies Argentinas (Hymenoptera: Megachilidae) / The subgenus Megachile (Dasymegachile) Mitchell with special reference to the Argentine species (Hymenoptera: Megachilidae)
Title:Descripción de nueve especies Sudamericanas del género Neralsia Cameron, con carena escutelar baja (Hymenoptera: Cynipoidea: Figitidae) / Description of nine south American species of the genus Neralsia Cameron, with low scutellar carina (Hymenoptera: Cynipoidea: Figitidae)
Title:The systematic position of some ethiopian nippostrongylinae (nematoda, trichostrongylina, heligmosomoidea) from the National Collection of Animal Helminths, Onderstepoort, South Africa
Title:Population structure of Uncancylus concentricus (d'Orbigny, 1835) (Ancylidae, Pulmonata, Basommatophora) in the Multiple Use Reserve Martín García Island, Upper Río de la Plata, Argentina / Estrutura populacional de Uncancylus concentricus (d'Orbigny, 1835) (Ancylidae, Pulmonata, Basommatophora) da Reserva Natural de Usos Múltiplos Ilha Martín García no Rio de La Plata Superior, Argentina
Title:Fecundity of Uca uruguayensis and Chasmagnathus granulatus (Decapoda, Brachyura) from the "Refugio de Vida Silvestre" Bahía Samborombón, Argentina
Title:Secondary production of Chasmagnathus granulatus (Crustacea; Decapoda) in a Ramsar Site from Argentina / Produção secundária de Chasmagnathus granulatus (Crustacea; Decapoda) em um sítio Ramsar da Argentina
Title:Morfogénesis in vitro de leguminosas forestales nativas de la República Argentina / In vitro morphogenesis of native trees leguminous of Argentina