Emiliani, F., Ojea, N., & Paporello de Amsler, G. (2005). Comentarios Bibliográficos: "Análisis Comparativo de Recientes Libros de Texto sobre Microbiología General", "A Used-Friendly Guide to the Ciliates (Protozos, Ciliophora) Commonly Used by Hydrobiologists as Bioindicators in Rivers, Lakes and Wastes Waters. Natura Neotropicalis, 2(27), 153–155. https://doi.org/10.14409/natura.v2i27.3690