@article {3340,
	title = {Non-Dominated Sorting Gravitational Search Algorithm for Multi-Objective Optimization of Power Transformer Design},
	journal = {Engineering Review },
	volume = {37},
	number = {1},
	year = {2017},
	pages = {27-37},
	author = {M. Zellagui and H.A. Hassan and A.Y. Abdelaziz}
}
