00309nam a2200121Ia 4500020001500000082001900015245004500034260005600079500000500135700000500140100002000145300002200165  a0883855402  a510.9bP641.MC  a777 mathematical conversation startersb  aNew YorkbMathematical Association of Americac2002  a  a  aPillis, John de  axvi, 344p. Index.