Low-field dc magnetization investigations in a Bi2Sr2CaCu2O8 single crystal: observation of a magnetic phase transition at the vortex melting lineB. Revaz, G. Triscone, L. Fabrega, A. Junod and J. MullerEurophys. Lett., 33 9 (1996) 701-706DOI: https://doi.org/10.1209/epl/i1996-00402-x