Title:Cambios de uso del suelo e impactos sobre el agua subterránea en un barrio al sur de Tandil, Buenos Aires, Argentina / Land use change and impact on groundwater in a southern neighborhood of Tandil city, Buenos Aires, Argentina
Title:Populations of Characidium rachovii (Crenuchidae: Characidiinae) with reduction of the adipose fin from Argentina and a Southernmost record of C. occidentale