00470nam a2200133Ia 4500082001900000100003400019245010800053260005800161300002000219490002000239500000500259700003500264700003700299  a510.9bB233.FH  aBarbeau, Edward J. and Others  aFive hundred mathematical challengesbcBy Edward J. Barbeau, Murray S. Klamkin and William O. J. Moser  aWashingtonbMathematical Association of Americac1995  axi, 227p. Index  aSpectrum series  a  aKlamkin, Murray S. ; jt. auth.  aMoser, William O. J. ; jt. auth.