TY - JOUR AU - Hambleton, Ian AU - Korzeniewski, Andrew AU - Ranicki, Andrew TI - The signature of a fibre bundle is multiplicative mod 4 JO - Geometry & topology PY - 2007 SP - 251 EP - 314 VL - 11 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.2140/gt.2007.11.251/ DO - 10.2140/gt.2007.11.251 ID - GT_2007_11_1_a4 ER -