000 00364nam a2200145Ia 4500
003 IN-KoSCC
082 _a793.74
_bG227Ma
100 1 _aGardner, Martin
245 1 _aMathematics
_bmagic and mystery
260 _aNew york
_bDover publications
_cc1956
300 _axii,176p.16p.
_bill.diagrs.
_c20cm.
500 _aPrice not found
653 _aRecreation
942 _cBK
999 _c2658
_d2658