000 00408nam a2200169Ia 4500
008 180424s9999 xx 000 0 und d
084 _a793.7 B2
100 _a"Bakst, Aaron"
245 0 _aMathematical Puzzles and Pastimes
250 _a\\195400ENGGPSX
260 _aD Van Nostrand
260 _b1954
260 _cLondon
300 _a210p
500 _aincludes index and biblioraphy
942 _cBK
999 _c12457
_d12457