00400nam a2200133Ia 4500100002000000942000700020654001600027245004000043260003200083300000800115546001200123999001700135952011400152  aGardner Martin   cBK  aMathematics  aMathematical  Puzzles  &  Diversion  bPenguin BooksaLondonc1991  a154  aENGLISH  c23447d23447  001040708CRCaCRCEbCRCEd2023-03-17eglobal booksg250.00l0o p7134r2023-03-17v250.00w2023-03-17yBK