00313nam a2200109Ia 4500008004100000082001500041100002000056245008000076260002900156300001000185650000800195060110s9999    xx            000 0 und d  a510bFAR/G  aFARMER, David W  aGroups and Symmetry : A guide to discovering mathematicscBy David W Farmer  bUniversities Pressc1998  a102p.  a510