Title:Un triterpeno y un flavonoide glicosídico de Aleurites moluccana L. Willd. (Euphorbiaceae) / A triterpene and a flavonoid C-Glycoside from Aleurites moluccana L. Willd. (Euphorbiaceae)
Title:Efecto del sulfato de quinina sobre cepas de la levadura Saccharomyces cerevisae : Nota preliminar / Effect of quinine sulphate on Saccharomyces cerevisae yeast strains
Title:Effects observed in the Latin American sector ionospheric F region during the intense geomagnetic disturbances in the early part of November 2004