TY - GEN AU - A. Janossy, T. Feher, A. Erb T1 - Diagonal antiferromagnetic easy axis in lightly hole doped Y1-xCaxBa2Cu3O6 CY - PY - 2003 PB - T3 - Physical Review Letters VL - 91 UR - http://dx.doi.org/10.1103/PhysRevLett.91.177001 SN - 0031-9007