Schneider, W., Rohde, V., Krieger, K., Hildebrandt, D., Neu, R., & ASDEX Upgrade Team (2004). Surface Layer Deposition in ASDEX Upgrade with a Tungsten Wall as Measured by SIMS, AES and PIXE. Talk presented at 31st EPS Conference on Plasma Physics. London. 2004-06-28 - 2004-07-02.