7Grabe. J. , Vrettos, Chr.: Dispersion Measurements to Estimate Compaction Effect on GrannularSiols. Proc. , 4th Int. Comf. Siol Dynamics and Earthquake Engineering, Mexico City, 1989.
8Kundt , M. : Zur Optimierung der veranderlichen Machinenparameter and Vibrationswalzen: Dissertation, TU Magdeburg, 1987.
