00553 a2200193 4500 31771 31771 WUSLLib 200902b ||||| |||| 00| 0 eng d 0883855194 English 510 BAR Barbeau, Edward J. 16056 Five hundred mathematical challenges Washington: The mathematical association of America, 1995 xi, 227p.; 27cm. Mathematics 16057 Klamkin, Murray S. 16058 Moser, William O.J. 16059 SR ddc 0 0 ddc 0 0 SRC MAIN MAIN REF 2008-08-07 2031.22 0 510BAR 6279 2017-08-30 00:00:00 0.00 2016-10-31 SR