TY - JOUR AU - Lekili, Yankı TI - Planar open books with four binding components JO - Algebraic and Geometric Topology PY - 2011 SP - 909 EP - 928 VL - 11 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.2140/agt.2011.11.909/ DO - 10.2140/agt.2011.11.909 ID - 10_2140_agt_2011_11_909 ER -