@inbook {14215,
	title = {Preface},
	booktitle = {Recent Advances in Orbital-Free Density Functional Theory},
	year = {2013},
	publisher = {World Scientific},
	organization = {World Scientific},
	address = {Singapore},
	author = {T. A. Weso{\l}owski and Y. A. Wang},
	editor = {T. A. Weso{\l}owski and Y. A. Wang}
}
