Magnetic properties of <f>Cu(phen)(H2O)2SO4 - S=1/2</f> zigzag ladder with spatially anisotropic exchange coupling - Kajňaková, M.; Orendáčová, A.; Orendáč, M.; Park, J.-H.; Kravchyna, O.V.; Anders, A.G.; Černák, J.; Feher, A.; Meisel, M.W. (Journal of Magnetism & Magnetic Materials, 2004)