Unravelling the nature of ferromagnetic-paramagnetic phase transition and its bearing on colossal magnetoresistance in nanocrystalline La1−xCaxMnO3 (0.3 ≤ x ≤ 0.4)Yugandhar Bitla and S. N. KaulEPL, 103 5 (2013) 57010DOI: https://doi.org/10.1209/0295-5075/103/57010