000 00290nam a2200133Ia 4500
008 190927s9999 xx 000 0 und d
082 _a428 V44 2007
100 _aVas, Gratian
245 0 _aBrain teasers in English
260 _a41
260 _b591
260 _c2007
942 _cSUBREF
999 _c17612
_d17612