.Ju, H.L., Gopalakrishnan, J., Peng, J.L., Li, Q., Xiong, G.C., Venkatesan, T. and Greene, R.L. (1995) Dependence of Giant Magnetoresistance on Oxygen Stoichiometry and Magnetization in Polycrystalline La0.67Ba0.33MnO3. Physical Review B, 51, 6143-6145.