Influence of the deposition method on the morphology and elemental composition of Sn'O IND.2' films for gas sensing: atomic force and X-ray photoemission spectroscopy analysis - Bittencourt, C.; Llobet, E; Silva, Marcelo de Assumpção Pereira da; Landers, R.; Nieto, L.; Vicaro, K. O.; Sueiras, J. E.; Calderer, J.; Correig, X. (Sensors and Actuators B, 2003)