Citation: Jacobson, A.J.; Tofield, B.C.; Fender, B.E.F. (1972). The Structures of Ba Ce O3, Ba Pr O3 and Ba Tb O3 by neutron diffraction: Lattice parameter relations and ionic radii in O-Perovskites. Acta Crystallographica B (24,1968-38,1982), 28, pp. 956-961.