@article {9566,
	title = {Dielectric nonlinearity of relaxor ferroelectric ceramics at low alternating-current-drive amplitudes},
	journal = {Journal of Physics Condensed Matter},
	year = {2000},
	pages = {5929-5937},
	doi = {10.1088/0953-8984/12/27/311},
	author = {Xiao-Wen Zhang and Xi Liu and Zhi-Rong Liu and Bing-Lin Gu}
}
