000 00256nam a2200109Ia 4500
008 170821s017 xx 000 0 und d
100 _aAnil Ah Lawal
245 0 _aScience Challenge M.t.g Book
260 _bM.t.c
_c2007
300 _a347
942 _2ddc
_cBK
999 _c495037
_d495037