TY - JOUR AU - Barnett, Kathryn AU - Farber, Michael TI - Topology of configuration space of two particles on a graph, I JO - Algebraic and Geometric Topology PY - 2009 SP - 593 EP - 624 VL - 9 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.2140/agt.2009.9.593/ DO - 10.2140/agt.2009.9.593 ID - 10_2140_agt_2009_9_593 ER -