X-ray/EUV/FUV calibration of photographic films for solar research

X-ray/microwave relation of different types of active stars

X-Ray/Optical Flares on RS CVn Stars

X-ray/UV ratio of 2XMM AGN (Vagnetti+, 2010)

X-raying Active Galaxies Both Near and Far: Exploring the Environments of Supermassive Black Holes

X-raying Circumnuclear Star Formation and Feedback in Nearby Normal Galaxies

X-raying cosmic star formation history

X-raying galaxies: A Chandra Legacy

X-raying Relativistic Quasar Outlows

X-Raying the debris disk of AU Mic

X-raying the faintest black hole binaries

X-raying the Giant HII Region G305

X-raying the high-latitude ISM

X-Raying the Intergalactic Medium with Blazars in Outburst

X-raying the Voids in the Large Scale Structure

X-raying the ``Interaction Zone'' of ``Taffy'' Galaxies

X-raying UFOs in AGNs

X-rays and charged particles in the solar event of November 22, 1977

X-rays and Doppler imaging: Do soft emission and accretion coincide?

X-Rays and Gamma Rays. (Book Reviews: The Encyclopedia of X-Rays and Gamma Rays)