Crystal structure, magnetic properties, x-ray-photoemission-spectroscopy, and specific-heat measurements on Pr2BaO4 and PrBaO3. by Felner, I, Yeshurun, Y, Hilscher, G, Holubar, T, Schaudy, G, Yaron, U, Cohen, O, Wolfus, Y, Yacoby, E, Klein, L, Potter, F, Rastomjee, C, Egdell, R