000 00393nam a2200157Ia 4500
008 180626s9999 xx 000 0 und d
082 _a793.74 R275o
100 _aReinfield, Don
245 0 _a101 mathematical puzzles and how to solve them
260 _aNew York
260 _bCornerstone Library
260 _c1977
300 _a123
650 _aMathematical recreations
942 _cBK
999 _c37194
_d37194