X-ray and radio emission of kiloparsec jets at large redshifts
X-Ray Radiation of the Sun (Summary)
XMM-Newton and the hot X-ray universe
Zakharov simulation study of spectral features of on-demand Langmuir turbulence in an inhomogeneous plasma
``Galileo Galilei'' (GG) a small satellite to test the equivalence principle of Galileo, Newton and Einstein