000 00334nam a2200133Ia 4500
008 240531s9999 xx 000 0 und d
020 _a978 1 472 25260 9
082 _a793 73 MCK
100 _aMcKay, Sinclair
245 0 _aBletchley Park brainteasers
260 _aLondon
_b Headline
_c2017
650 _aPUZZLES
942 _cANF
999 _c373916
_d373916