XY ring-exchange model on the triangular lattice
XY Spin Fluid in an External Magnetic Field
XY universality of the stacked triangular Ising antiferromagnet
XYZ-polarisation analysis of diffuse magnetic neutron scattering from single crystals
XZ Cygni 1965-2002
XZ Cygni Update
XZ Dra: observations spanning 70 years
Xz Lac = NSV 14114
x_F-dependence of J/Psi suppression in pA collisions