@inproceedings{inproceedings268e9b52,
title   = {Using derivatives to improve the accuracy of metamodels on electromagnetic device optimization},
author = {Lebensztajn, Luiz and Marretto, Carina Alexandra Rondini},
year = {2007},
publisher = {Institute of Electrical Machine},
booktitle   = {Conference on the Computation of Electromagnetic Fields}
}