X(3): An Exactly Separable Gamma-Rigid Version of the X(5) Critical Point Symmetry

X(3872) and Its Iso-Triplet Partners

X(3872) and the bound state problem of $D^0\bar{D}^{\ast0}$ ($\bar{D}^0{D}^{\ast0}$) in a chiral quark model

X(3872) as a 1D2 charmonium state

X(3872) as a D-D* molecule bound by quark exchange forces

X(3872) as a hadronic molecule and its decays to charmonium states and pions

X(3872) as a molecular DD* state in a potential model

X(3872) diagnostics with decays to D {\bar D} γ

X(3872) in Effective Field Theory

X(3872) in effective field theory

X(3872) in lattice QCD with exact chiral symmetry

X(3872): Hadronic Molecules in Effective Field Theory

X(3915) and X(4350) as new members in P-wave charmonium family

X,Y tables for orbit computation

X,Y,Z-Waves: Extended Structures in Nonlinear Lattices

X- and gamma-ray astronomy beyond the year 2000.

X- and Gamma-Ray Astronomy. International Astronomical Union Symposium No. 55 H. Bradt and R. Giacconi (Editors): Reidel, Dordrecht, Holland. 1973. x + 323. Dfl. 68 (Hardbound edition Dfl. 95.-)

X- and gamma-ray Burst Signatures of Thermonuclear Supernovae

X- and gamma-ray N+PP+ silicon detectors with high radiation resistance

X- and K-Band Maser Development: Effects of Interfering Signals