TY - JOUR AU - Gay, David T AU - Kirby, Robion TI - Constructing Lefschetz-type fibrations on four-manifolds JO - Geometry & topology PY - 2007 SP - 2075 EP - 2115 VL - 11 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.2140/gt.2007.11.2075/ DO - 10.2140/gt.2007.11.2075 ID - GT_2007_11_4_a2 ER -