000 00323nam a2200109Ia 4500
001 12195
008 170722s9999 xx 000 0 und d
245 _aMathematical bafflers :
_bA collection of the best puzzles from the famous problematical recreation etc /
260 _c1964
700 _aDunn Angela
_eeditor.
942 _cGEN
999 _c2958
_d2958