00391nam a2200121Ia 4500082001700000100003700017245003900054260004800093300002300141490007000164500000500234700003000239  a516bT993.GC  aTyrrell, J. A. and Semple, J. G.  aGeneralized clifford parallelismb  aCambridgebCambridge University Pressc1971  a140p. Index. Bibl.  aCambridge tracts in Mathematics and Mathematical Physicsv no. 61  a  aSemple, J. G. ; jt. auth.