@inproceedings{inproceedings9014b553,
title   = {Analysis and field tests of the influence of harmonic components for protection relay currents on single-wire earth return systems},
author = {Rufato, Eloi J and Oliveira, Carlos César Barioni de and Omori, Julio S and Senger, Eduardo Cesar},
year = {2007},
publisher = {CIRED},
booktitle   = {International Conference on Electricity Distribution}
}