%0 journal article %@ 0584-8547 %A Schwenke, H.,Knoth, J.,Guenther, R.,Wiener, G.,Bormann, R. %D 1997 %J Spectrochimica Acta B %N %P 795-803 %T Depth profiling using total reflection X-ray fluorescence spectrometry alone and in combination with ion beam sputtering %U %X