000 00321nam a2200133Ia 4500
008 250104s9999 xx 000 0 und d
020 _a81-7224-221-2
082 _a820
_bSUM
100 _aSummers G.
245 4 _aThe great book of puzzles and teasers
260 _a :
_c2011
365 _a65
650 _aEngineering,
999 _c228264
_d228264