Feliu, S., L. Mariaca, J. Simancas, J. A. González, and M. Morcillo. 2003. “Effect of NO2 and/Or SO2 Atmospheric Contaminants and Relative Humidity on Copper Corrosion”. Revista De Metalurgia 39 (4):278-88. https://doi.org/10.3989/revmetalm.2003.v39.i4.339.