000 00361nam a2200157Ia 4500
008 200208s9999 xx 000 0 und d
082 _aGL 793.74
100 _a"Gardner, Martin"
245 0 _aFurther mathematical diversions
260 _aHarmondsworth
260 _bPenguin Books
260 _c1981
300 _a255p.
650 _aMagic
942 _cB
999 _c194935
_d194935