TY - JOUR T1 - Stretched exponential relaxation and independent relaxation modes JO - Brazilian Journal of Physics A1 - Almeida, R.M.C. de A1 - Lemke, N. A1 - Campbell, I.A. SN - 0103-9733 UL - 10.1590/S0103-97332000000400012 VL - 30 Y1 - 2000 PB - Brasil ER -