TY - JOUR AU - Frenck, Georg AU - Reinhold, Jens TI - Characteristic numbers of manifold bundles over spheres and positive curvature via block bundles JO - Forum of Mathematics, Sigma PY - 2025 SP - e138 VL - 13 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/fms.2025.10054/ DO - 10.1017/fms.2025.10054 ID - 10_1017_fms_2025_10054 ER -