000 00257nam a22001097a 4500
082 _a793.74
_bGAR.M
100 _aGARDNER,MARTIN
245 _aMORE MATHEMATICAL PUZZLES AND DIVERSIONS
260 _aLONDON:
_bPENGUIN,
_c1974.
300 _a186p.
942 _cBK
999 _c326815
_d326815