00000nam a2200000 a 4500 20251203091555.0 512.22, D, wel Weyl, Hermann Symmetry New Jersey Princeton University Press 1980 Group theory-Algebra Eng 100 010 _ 57587 W 44993 44993 2 0 0 0 PU PU 1998-04-08 0 512.22, D, wel 57587 BK