Method development and optimization for the determination of selenium in bean and soil samples using hydride generation electrothermal atomic absorption spectrometry - Shaltout, Abdallah A; Castilho, Ivan N. B; Welz, Bernhard; Carasek, Eduardo; Martens, Irland B. Gonzaga; Martens, Andreas; Cozzolino, Silvia Maria Franciscato (Talanta, 2011)