Raman scattering in charge-ordered Pr0.63Ca0.37MnO3: Anomalous temperature dependence of linewidthR. Gupta, G. Venketeswara Pai, A. K. Sood, T. V. Ramakrishnan and C. N. R. RaoEurophys. Lett., 58 5 (2002) 778-784DOI: https://doi.org/10.1209/epl/i2002-00417-3