@article {10527,
	title = {Preparation, microstructure and photochromism of a new nanocrystalline WO3 film},
	journal = {Journal of Materials Science Letters},
	year = {2000},
	pages = {1407-1409},
	doi = {10.1023/A:1006707018994},
	author = {Mu Sun and Ning Xu and Y.W. Cao and J.N. Yao and E.G. Wang}
}
