EIS Evaluation of Fe, Cr, and Ni in NaVO3 at 700°C - O. Sotelo-Mazón; J. Porcayo-Calderon; C. Cuevas-Arteaga; J. J. Ramos-Hernandez; J. A. Ascencio-Gutierrez; L. Martinez-Gomez (Journal of Spectroscopy)