000 00320nam a2200121Ia 4500
008 190829s9999||||xx |||||||||||||| ||und||
020 _a9780140207481
100 _aGardner, Martin
245 0 _aMore Mathematical Puzzles And Diversions
260 _bPenguin Books
_aEngland
_c1980
650 _aMathematics
942 _cBK
999 _c40347
_d40347