@article {9579,
	title = {Cluster-variation-method studies on the atomic ordering in complex perovskite alloys},
	journal = {Physical Review B - Condensed Matter and Materials Physics},
	year = {2000},
	pages = {11918-11921},
	author = {Zhi-Rong Liu and Jian-She Liu and Bing-Lin Gu and Xiao-Wen Zhang}
}
