Authors' reply [Lightning and surge protection of substations]

It is true that the DAS ® is a controversial subject. However, it is not difficult to obtain factual information, as it is readily available in both the technical and historical areas. Included in this database are hundreds of references from satisfied customers, including major corporations such as Federal Express, PPG, Exxon, Shell, Texaco, Entergy, Allegheny, Savannah River, and Ontario Hydro, and countries such as Venezuela, Nigeria, and Mexico.