EPIC Observations of Bright BL Lac Objects: What Can We Learn from the X-ray Spectra about the ISM
EPIC Calibration (Anecdotes) - From 3 years Before Till 6 years After Launch
`Patching' EPIC-MOS: Temporal and Spatial Dependency of the Detector Response
Status of the XMM-Newton Cross-Calibration with SASv6.5.0