Title:Contribution to the knowledge of Patagonia, Argentina: Redescription of the genus Xenogenus Berg 1883 (Hemiptera: Heteroptera: Rhopalidae) and description of immature stages of Xenogenus gracilis Reed, 1899
Title:A geometric description of the spatial coherence and Babinet´sp like principle for the fringe visibility / Una descripción geométrica de la coherencia espacial y un principio similar al de Babinet para explicar la visibilidad de franjas
Title:Tadpole morphology of Leptodactylus plaumanni (Anura: Leptodactylidae), with comments on the phylogenetic significance of larval characters in Leptodactylus
Title:Diversity and conservation status of the herpetofauna for an area from north of Hidalgo, Mexico / Diversidad y estado de conservación de la herpetofauna para un área del norte de Hidalgo, México