@article {9571,
	title = {A phenomenological explanation to the dielectric aging mechanism of a lead magnesium niobate-based ceramic},
	journal = {Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers},
	year = {2003},
	pages = {515-519},
	author = {Yu Wang and Zhirong Liu and Helen L.W. Chan and Chung Loong Choy}
}
