TY - JOUR AU - Ulrich Schwardmann TI - Obstructions for Clifford Structures on Vector Bundles. JO - Mathematische Zeitschrift PY - 1982 SP - 69 EP - 72 VL - 179 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZ_1982__179_173128/ ID - MZ_1982__179_173128 ER -