Zamarad, A., Martínez-Ramírez, S., Thompson, G.E. and Moore, B.E. 2000. Effect of pollutant gases on electrical insulators deterioration. Materiales de Construcción. 50, 258 (Jun. 2000), 51–57. DOI:https://doi.org/10.3989/mc.2000.v50.i258.409.