Unveiling the magic of H2S on the CVD-Al2O3 coating T. Oshika, A. Nishiyama, K. Nakaso, M. Shimada et K. Okuyama J. Phys. IV France, 09 PR8 (1999) Pr8-877-Pr8-883 DOI: 10.1051/jp4:19998110