Citation: Child, H.R.; Wilkinson, M.K.; Cable, J.W.; Koehler, W.C.; Wollan, E.O. (1963). Neutron diffraction investigation of the magnetic properties of compounds of rare-earth metals with group V anions. Physical Review (1,1893-132,1963/141,1966-188,1969), 131, pp. 922-931.