1. Sur la dimension des produits cartesiens;Hurewicz, W.;Ann. of Math. (2),1935
2. Princeton Mathematical Series, vol. 4;Hurewicz, Witold,1941
3. Concerning the boundary of a complementary domain of a continuous curve;Jones, F. B.;Bull. Amer. Math. Soc.,1939
4. Frank Raymond, Poincaré duality in homology manifolds, Thesis, University of Michigan, 1958.
5. A generalization of Moore’s theorem on simple triods;Young, Gail S., Jr.;Bull. Amer. Math. Soc.,1944