@book{5108,
	author = {Sheng, Xin-Qing and Song, Wei},
	title = {Essentials of Computational Electromagnetics /},
	publisher = {John Wiley & Sons,},
	year = {c 2012.},
	address = {Singapore :},
	url = {https://onlinelibrary.wiley.com/doi/pdfdirect/10.1002/9780470829646?download=true}
}