XPS and AES studies of Hg(II) sorption and desorption reactions on sulphide minerals

XQ2P: Efficient XQuery P2P Time Series Processing

XQuery Join Graph Isolation

XRecursive: An Efficient Method to Store and Query XML Documents

XRF microCT study of space objects at SSRL

XRFs as soft extension of GRBs: evidence from swift observations

XSB: Extending Prolog with Tabled Logic Programming

XSPEC 12: Capabilities for Coded-Mask Spectral Analysis

XSPEC12: Object-Oriented X-Ray Analysis

XString: XML as a String

XTAG system - A Wide Coverage Grammar for English

XTile: An Error-Correction Package for DNA Self-Assembly

XTRA: Extraterrestrial Regolith Analyzer

XUV observations of solar corona in the spirit experiment on board the coronas-F satellite

XUV wide field camera for Rosat

XWeB: the XML Warehouse Benchmark

XZ Catalog of Zodiacal Stars (XZ80Q) (Herald, 2003)