Melting of the cooperative Jahn-Teller distortion in LaMnO3 single crystal studied by Raman spectroscopy L. Martín-Carrón and A. de Andrés Eur. Phys. J. B, 22 1 (2001) 11-16 Published online: 15 July 2001 DOI: 10.1007/PL00011129