TY - JOUR AU - Nendorf, Rob AU - Scoville, Nick AU - Strom, Jeffrey TI - Categorical sequences JO - Algebraic and Geometric Topology PY - 2006 SP - 809 EP - 838 VL - 6 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.2140/agt.2006.6.809/ DO - 10.2140/agt.2006.6.809 ID - 10_2140_agt_2006_6_809 ER -