000 00343nam a2200157Ia 4500
020 _a0809487705
040 _cPK-LaCSN
082 _b754
_a510
100 _a"Hiraku Toyama"
245 0 _aWhat Are Numbers?:
_b6-99
260 _c1991
300 _a55
942 _2ddc
_cBK
999 _c643289
_d643289