Magnetic susceptibility and short-range order in iron pnictides: Anisotropic J1-J2 Heisenberg modelArtem A. Vladimirov, Dieter Ihle and Nikolay M. PlakidaEur. Phys. J. B, 87 5 (2014) 112DOI: https://doi.org/10.1140/epjb/e2014-50152-y