1-4 of 4 Books

A groupoid approach to C*-algebras
By Jean Renault
Partial Dynamical Systems, Fell Bundles and Applications
Partial Dynamical Systems, Fell Bundles and Applications
By Ruy Exel

C*-algebras and numerical analysis
By Roland Hagen

Equivariant K-theory and freeness of group actions on C*-algebras
By N. Christopher Phillips