00321nam a2200121Ia 4500008004100000020001500041040001500056082002300071100001900094245002900113260004500142300001200187231128s9999    xx            000 0 und d  a9712704491  aPHSAcPHSA  aFIL 510 Lee51 1995  aLee, Queena N. 0aEureka: thoughts on math  aPasig CitybAnvil Publishing, Inc.c1995  a211  p.