X- and gamma-ray astronomy. Edited by H. Bradt and R. Giacconi.     9027703035 X-ray and gamma-ray instrumentation for astronomy XI : 2-4 August 2000, San Diego, USA Kathryn A. Flanagan, Oswald H.W. Siegmund, chairs/editors ; sponsored ... by SPIE--the International Society for Optical Engineering.     0819437859 X-ray and ultraviolet polarimetry : 15-16 July 1993, San Diego, California Silvano Fineschi, chair/editor ; sponsored and published by SPIE--the International Society for Optical Engineering.     0819412597 X-ray and ultraviolet spectroscopy and polarimetry : 28-29 July 1994, San Diego, California Silvano Fineschi, chair/editor ; sponsored and published by SPIE--the International Society for Optical Engineering.     081941607X X-ray and ultraviolet spectroscopy and polarimetry II : 23-24 July 1998, San Diego, California Silvano Fineschi, chair/editor ; sponsored and published by SPIE--the International Society for Optical Engineering.     0819428981 X-ray astronomy edited by Riccardo Giacconi and Herbert Gursky.     9027702950 X-ray astronomy J. Leonard Culhane and Peter W. Sanford.     0684167255 X-ray astronomy 2000 : proceedings of a conference held in Mondello (Palermo), Italy, 4-9 September 2000 edited by Riccardo Giacconi, Salvtore Serio, and Luigi Stella.     1583810714 X-ray astronomy : proceedings of a symposium of the twenty-first plenary meeting of COSPAR, Innsbruck, Austria, 29 May to 10 June 1978 edited by W. A. Baity and L. E. Peterson.     0080234186 X-ray astronomy : proceedings of the NATO Advanced Study Institute held at Erice, Sicily, July 1-14, 1979 edited by Riccardo Giacconi and Giancarlo Setti.     9027711569 X-ray astronomy in the EXOSAT era : proceedings of the XVIII ESLAB Symposium, held in The Hague, the Netherlands, 5-9 November 1984 edited by A. Peacock.     9027720991 X-ray binaries edited by Walter H.G. Lewin, Jan van Paradijs, and Edward P.J. van den Heuvel.     0521416841 X-ray binaries and recycled pulsars edited by E.P.J. van den Heuvel and S.A. Rappaport.     0792319400 X-ray detection by superconducting tunnel junctions : proceedings of the workshop, Naples, Italy, 12-14 December 1990 edited by A. Barone, R. Cristiano, S. Pagano.     0981020649 X-ray detectors in astronomy G.W. Fraser.     052132663X X-ray emission from clusters of galaxies Craig L. Sarazin.     0521329574 X-ray evolving-universe spectroscopy : the XEUS Mission summary [prepared by the XEUS Steering Committee ; editor, Bruce Battrick].     9290925647 X-ray evolving-universe spectroscopy : the XEUS science case [prepared by the XEUS Astrophysics Working Group (XAWG) ; editor, Bruce Battrick].     9290925485 X-ray optics for astronomy : telescopes, multilayers, spectrometers, and missions : 30 July 2001, San Diego, USA Paul Gorenstein, Richard B. Hoover, chairs/editors ; sponsored ... by SPIE--the International Society for Optical Engineering.     0819442100 XTL : extraterrestrial life and how to find it Simon Goodwin with John Gribbin.     0304358975