**Download PDF : Asymptotic invariants of infinite groups. Geometric group theory. Volume 2**

Asymptotic invariants of infinite groups. Geometric group theory. Volume 2

*Proc. Symp. Sussex Univ., Brighton, July 14-19, 1991 **Lond. Math. Soc. Lecture Notes 182
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*Niblo and Roller ed., Cambridge Univ. Press, Cambridge (1993), 1-295.*