Brandt, E. H. Emeriti and Others, Max Planck Institute for Intelligent Systems, Max Planck Society;
Schindler, K., Ziese, M., Esquinazi, P., Hochmuth, H., Lorenz, M., Zimmer, K., et al. (2005). A novel method for the determination of the flux-creep exponent from higher harmonic ac-susceptibility measurements. Physica C, 417(3-4), 141-149.