1. A. BOREL, The Poincaré duality in generalized manifolds, Mich. Math. J. 4 (1957) 227–239
2. A. BOREL and J.C. MOORE, Homology theory for locally compact spaces, Mich. Math. J. 7 (1960) 137–159
3. N. BOURBAKI, Algèbre, Chap. 10: Algèbre homologique, Masson, Paris 1980
4. G. BREDON, Sheaf Theory, McGraw Hill 1967
5. R. GODEMENT, Topologie algébrique et Théorie des faisceaux, Act. Sci. Ind. 1252, Hermann, Paris 1958