%0 conference lecture %@ %A Schwenke, H., Knoth, J. %D 1994 %J Particles on Surfaces: Fourth Symposium on Particles on Surfaces; The 23rd Annual Meeting of the Fine Particle Society %P 311-324 %T Discrimination between Particulate and Film Type Contamination on Surfaces by Means of Total Reflection X-ray Fluorescence Spectrometry %U %X