Title:Roberto Arlt fotógrafo: sobre las aguafuertes fluviales, patagónicas y españolas / Roberto Arlt, photographer: on aguafuertes fluviales, patagónicas y españolas
Title:Inhibition kinetics during the oxidation of binary mixtures of phenol with catechol, resorcinol and hydroquinone by phenol acclimated activated sludge
Title:Description of the male of Stenoterommata uruguai (Araneae: Mygalomorphae: Nemesiidae) from Northeastern Argentina, with notes on its natural history / Descripción del macho de Stenoterommata uruguai (Araneae: Mygalomorphae: Nemesiidae) del noreste de Argentina, con notas sobre su historia natural
Title:First report of the genus Cratera (Platyhelminthes, Geoplanidae) in Argentina, with description of a new species and comments on the species of the genus