%0 Journal Article %A Wolfgang Woess %A Paolo M. Soardi %T Amenability, unimodularity, and the spectral radius of random walks on finite graphs. %J Mathematische Zeitschrift %D 1990 %P 471-486 %V 205 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZ_1990__205_3_174188/ %F MZ_1990__205_3_174188