Citation: El Khayati, N.; Cherkaoui El Moursli, R.; Rodriguez-Carvajal, J.; Andre, G.; Blanchard, N.; Roisnel, T.; Collin, G.; Bouree, F. (2001). Crystal and magnetic structures of the oxyphosphates M Fe P O5 (M =Fe, Co, Ni, Cu). Analysis of the magnetic ground state in terms ofsuperexchange interactions. The European Physical Journal B, 22, pp. 429-442.