TY - JOUR AU - Klein, John R AU - Richter, William TI - Poincaré duality and periodicity JO - Algebraic and Geometric Topology PY - 2011 SP - 1961 EP - 1985 VL - 11 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.2140/agt.2011.11.1961/ DO - 10.2140/agt.2011.11.1961 ID - 10_2140_agt_2011_11_1961 ER -