#### Volume 10, issue 3 (2006)

 1 J Cheeger, J Simons, Differential characters and geometric invariants, from: "Geometry and topology (College Park, Md., 1983/84)", Lecture Notes in Math. 1167, Springer (1985) 50 MR827262 2 S S Chern, J Simons, Characteristic forms and geometric invariants, Ann. of Math. $(2)$ 99 (1974) 48 MR0353327 3 J L Dupont, The dilogarithm as a characteristic class for flat bundles, J. Pure Appl. Algebra 44 (1987) 137 MR885101 4 J L Dupont, Scissors congruences, group homology and characteristic classes, Nankai Tracts in Mathematics 1, World Scientific Publishing Co. (2001) MR1832859 5 J L Dupont, W Parry, C H Sah, Homology of classical Lie groups made discrete II: $H_ 2,H_3,$ and relations with scissors congruences, J. Algebra 113 (1988) 215 MR928063 6 J L Dupont, C H Sah, Scissors congruences II, J. Pure Appl. Algebra 25 (1982) 159 MR662760 7 W D Neumann, Extended Bloch group and the Cheeger–Chern–Simons class, Geom. Topol. 8 (2004) 413 MR2033484 8 W D Neumann, J Yang, Bloch invariants of hyperbolic 3–manifolds, Duke Math. J. 96 (1999) 29 MR1663915 9 W Parry, C H Sah, Third homology of $\mathrm{SL}(2,\mathbb{R})$ made discrete, J. Pure Appl. Algebra 30 (1983) 181 MR722372 10 C H Sah, Homology of classical Lie groups made discrete III, J. Pure Appl. Algebra 56 (1989) 269 MR982639