@article {20142,
	title = {Magnetic-assisted triboelectric nanogenerators as self-powered visualized omnidirectional tilt sensing system},
	journal = {Scientific reports},
	volume = {4},
	year = {2014},
	pages = {4811},
	publisher = {Nature Publishing Group},
	isbn = {2045-2322},
	author = {Han, Mengdi and Zhang, Xiao-Sheng and Sun, Xuming and Meng, Bo and Liu, Wen and Zhang, Haixia}
}
