@article {964,
	title = {Soft X-Ray Fluorescence of Porous Silicon: Electronic Structure of Si Nanostructures},
	journal = {Europhysics Letters},
	volume = {37},
	year = {1997},
	pages = {133-138},
	author = {S.Eisebitt and S.N. Patitsas and J. L{\"u}ning and J.-E. Rubensson and T. van Buuren and T. Tiedje and W. Eberhardt}
}
