Viscoelastic characterization of compacted pharmaceutical excipient materials by analysis of frequency-dependent mechanical relaxation processesK. Welch, S. Mousavi, B. Lundberg and M. StrømmeEur. Phys. J. E, 18 1 (2005) 105-112DOI: https://doi.org/10.1140/epje/i2005-10032-8