%0 GKSS report %@ 0584-8547 %A Knoth, J., Bormann, R., Gutschke, R., Michaelsen, C., Schwenke, H. %D 1993 %J Spectrochimica Acta B %N 2 %P 285-292 %T Examination of layered structures by total reflection X-ray fluorescence analysis %U 2 %X