000 00304nam a2200121Ia 4500
001 2280
008 170420s9999 xx 000 0 und d
020 _a9781444143805
100 1 _aPeter D Riley
245 1 0 _aCambridge checkpoint Science Resource book
260 _bcambridge university press
942 _cAP
999 _c9406
_d9406