“Emergence of Size Induced Metallic State in the Ferromagnetic Insulating Pr0.8Sr0.2MnO3 Manganite: Breaking of Surface Polarons”. JOURNAL OF ADVANCES IN PHYSICS, vol. 8, no. 2, Mar. 2015, pp. 2084-93, https://doi.org/10.24297/jap.v8i2.1517.