Title:Structural changes of Cr-beidellite treated up to 1350 °C in oxygen or nitrogen atmospheres / Alterações estruturais de Cr-beidelita tratada até 1350 °C em atmosferas de oxigênio ou nitrogênio
Title:Uso de magnetometría terrestre en la exploración de pelitas ferruginosas en
canteras del distrito minero Barker, provincia de Buenos Aires / Use of terrestrial magnetometry in the exploration of ferruginous pelites in quarries of the Barker mining district, province of Buenos Aires
Title:Efecto de las lluvias sobre la composición mineral de gramíneas y Lotus glaber mill del partido de Magdalena / Rainfall effect on grass and Lotus glaber mill. mineral composition from Magdalena district