(1)
QuirĂ³s, R.; Emiliani, F.; Beltzer, A. H. Comentarios De Libros: "Fundamentals of Aquatic Ecosistems", "Ecology of Fresh Waters", "A Guide to Methods for Estimating Microbial Numbers and Biomass in Fresh Water", "Las Aves Argentinas Y Sus Ambientes". Natura 2005, 1, 47-48.