000 00382nam a2200169Ia 4500
008 180424s9999 xx 000 0 und d
084 _a793.7 G1
100 _a"Gamow, George"
245 0 _aPuzzle Math
250 _a\\196000ENGGPSX
260 _aMacmillan
260 _b1960
260 _cLondon
300 _a119p
500 _aincludes index and biblioraphy
942 _cBK
999 _c17311
_d17311